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Best Lab Buffers - Buying Guide

Last Updated: 02/17/2019

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Bestselling Lab Buffers on Amazon

  1. General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit
  2. 15-pack pH Meter Buffer Solution Powder For Precise and Easy PH Calibration, PH Calibration Powder S...
  3. Biopharm pH Calibration Kit (2) 8oz Bottles pH 4 and pH 7 Buffer NIST Traceable Reference Standards ...
  4. General Hydroponics Ph 7.0 Calibration Solution
  5. Innovating Science - Buffer Calibration Kit
  6. 15-Pack pH Meter Buffer Solution Powder, Easy and Accurate, Make pH Calibration Solution 4.01, 6.86,...
  7. Biopharm pH Calibration Solution Kit (3) 250 ml (8oz) Bottles pH 4.0, pH 7.0 and Electrode Storage S...
  8. General Hydroponics PH 7 Calibration Solution for Gardening, 1-Quart
  9. H2O Sync pH/ORP Electrode Storage Solution 8 oz / 237 mL for use with pH Probes and ORP Probes to Ex...
  10. Biopharm pH Calibration Solution Kit (2) 16oz (500 ml) Bottles pH 4 and pH 7 Buffer NIST Traceable R...

  #1

15-pack pH Meter Buffer Solution Powder For Precise and Easy PH Calibration, PH Calibration Powder Solution 6.86,4.01,9.18

Model: PP-03   |    Mpn: 43237-2   |    Ean: 0613706120110   |    PartNumber: 43237-2   |   Asin: B06X3TKTBC

Your pH meter is not so accurate anymore?

If you have a pool, aquarium, or spa, pH testing is something you do on a regular basis. However, hassling with messy liquid solutions may not give you the accuracy you need. Put the measuring cup away and opt for pre-measured convenience.

Specifications:
5*4.01 Solution (Potassium Hydrogen Phthalate)
5*6.86 Solution (Mixed phosphate)
5*9.18 Solution (Borax)

Directions for use:
Step 1:Completely empty the powder into a clean 250mL glass beaker.
Step 2:Add 250mL deionized water (or distilled water) to the beaker.
Step 3:Stir until the powder has completely dissolved.
Step 4:Follow the Esee pH meter calibration steps to calibrate your pH meter(Asin for Esee PH meter: B01LWMJVPG )

CAUTION: Not a drinkable solution!

Don't Miss Out On This Excellent pH Calibration Powder, Click "Add to Cart" Now!

Features

  • Easy to use- No need to measure, just mix each packs with 250mL distilled water.
  • Total 15 packs-The set includes 5 package of 4.01, 5 package of 6.86 and 5 package of 9.18 calibration solution powder for all pH needs.
  • Designed for portability- Individual sized packets can be tucked in drawer, bag or suitcase for travel.
  • Save time and money-By mixing powders in a jar of distilled water, this lets you keep them longer and more readily available without needing more packets!
  • Wide range of applications-Ideal for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics.
  • See more on Amazon...

Brand: ESEE   |   Manufacturer: Esee

Package Dimensions: 0.32 x 2.7 x 6 inches (0.8 x 6.9 x 15.2 cm)

Amazon Price: $9.95 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.95

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  #2

Biopharm pH Calibration Kit (2) 8oz Bottles pH 4 and pH 7 Buffer NIST Traceable Reference Standards for All pH Meters

 Ean: 0721272377156   |    PartNumber: BB8889X   |   Asin: B01F7OXRG2

Want that feeling of confidence from doing things right? Get our accurate, unbiased, independent and scientifically documented calibration standards and be sure your meter is working correctly. These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our USA laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for highest accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received.

Features

  • Color Coded for Easy Identification
  • Individually Bagged 8 oz (250 ml) Poly Bottles
  • Lot Numbered and Expiration Dated
  • Free Certificate of Analysis and Traceability
  • For Pharaceutical, Academic, Research and Industrial Uses
  • See more on Amazon...

Brand: Biopharm   |   Manufacturer: Biopharm Inc

Package Dimensions: 2.75 x 4.7 x 9.2 inches (7.0 x 11.9 x 23.4 cm)

Amazon Price: $13.50 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.50

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  #3

General Hydroponics Ph 7.0 Calibration Solution

Asin: B0041CGVS8

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.

Features

  • Highest quality electronic meter reference solutions
  • For meters using the NaCl scale
  • Each batch is checked to ensure calibration
  • See more on Amazon...

Brand: General Hydroponics   |   Manufacturer: General Hydroponics

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  #4

Innovating Science - Buffer Calibration Kit

Model: IS5050   |    Mpn: IS5050   |    Ean: 0724832050506   |    PartNumber: IS5050   |   Asin: B00BUV7L96

Innovating Science buffer calibration kit is used to determine pH levels, and includes pH 4, pH 7, and pH 10 solutions for calibration, and electrode storage solution (electrode sold separately). The kit has an instructions and safety data sheet (SDS) packet for product information and handling procedures, and is suitable for age 13 and older with adult supervision. The kit is not subject to Department of Transportation (DOT) shipping restrictions.Science education products incorporate applied math and science principles into classroom and homeschool-based projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.Innovating Science products, manufactured by Aldon Corporation, include educational kits for the chemistry, life science, green chemistry, advanced placement chemistry, and forensic fields. Aldon Corporation was founded in 1964, and is headquartered in Avon, NY.What's in the Box? (1) buffer pH 4 (500.0mL) (1) buffer pH 7 (500.0mL) (1) buffer pH 10 (500.0mL) (1) potassium chloride 1M (100.0mL) Instructions and safety data sheet (SDS) packet

Features

  • Buffer calibration kit for determining pH levels
  • Three buffer solutions for calibration
  • Solution for storage of electrode (electrode sold separately)
  • Instructions and safety data sheet (SDS) packet for product information and handling procedures
  • Suitable for age 13 and older with adult supervision
  • See more on Amazon...

Brand: Innovating Science   |   Manufacturer: Innovating Science

Item Dimensions: 10 x 9 x 3 inches (25.4 x 22.9 x 7.6 cm)   |   Package Dimensions: 2.9 x 8.3 x 9.4 inches (7.4 x 21.1 x 23.9 cm)

Amazon Price: $23.72 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $23.72 | Used Price: $19.04

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  #5

15-Pack pH Meter Buffer Solution Powder, Easy and Accurate, Make pH Calibration Solution 4.01, 6.86, and 9.18

 Ean: 0685642943535   |    PartNumber: HFPHP   |   Asin: B075L6TF1V

15 Packs pH Buffer Powder, Can Be Used To Make 15x250ml pH Meter Calibration Solution, Compatible And User-friendly For The Calibration Of All pH Meter/Tester, Accurate and Easy to use for Long Period.
Widely be used for testing pH balance of aquarium, pool, drinking water, RO system, Spa, hydroponics, etc

Features:
*15 packs ph calibration packets, no need to buy frequently.
*Come with a user-friendly guide, help to learn how to use and reserve, etc.
*Pre-measured exactly for accurate results.
*longer shelf life(3 years) than liquid pH calibration solution (1 year)
*Sealed with moisture-proof individual packets, convenient for reserve and carry.
*2-year manufacturer guarantee.

Easy to Use:
1.Prepare 3 x 250ml distilled water in container, and take out 1 set ph powder: 1 x pH 4.01, 1 x pH 6.86, 1 x pH 9.18.
2.Empty each packets in the 3 containers separately, you'll get 3 x 250ml pH calibration solution kit.
3.Calibrate your pH meter with the pH solution.

Package Includes:
*ph buffer powder kit
5 x pH 4.01 (Potassium Hydrogen Phthalate)
5 x pH 6.86 (Mixed phosphate)
5 x pH 9.18 (Borax)
*1x User's Guide

Features

  • COMPATIBILITY AND USER-FRIENDLY. Ideal for the calibration of all pH meter/tester, and it come with a friendly guide, no need worry even if you are a new user.
  • TOTAL 15 PACKS. The packets including pH 4.01, 6.86, 9.18 buffer powder each 5 bags, can be used to make 15 x 250ml pH buffer calibration solution.
  • ACCURATE. The pH calibration powder are produced with premium quality material under strict conditions, and pre-measured exactly to ensure accuracy.
  • EASY TO USE. No need measure, just mix individual pack with 250ml distilled water separately, you'll get standard PH buffer solution kit.
  • LONG TERM USE. sealed by durable moisture-proof individual packets, 3 years shelf life.
  • See more on Amazon...

Brand: HoneForest   |   Manufacturer: HoneForest

Item Dimensions: 0.24 x 2.64 x 5.9 inches (0.6 x 6.7 x 15.0 cm)   |   Package Dimensions: 0.4 x 2.5 x 5.9 inches (1.0 x 6.4 x 15.0 cm)

Amazon Price: $9.95 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $32.99

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  #6

Biopharm pH Calibration Solution Kit (3) 250 ml (8oz) Bottles pH 4.0, pH 7.0 and Electrode Storage Solution NIST Traceable Reference Standards for All pH Meters

 Ean: 0721272377187   |    PartNumber: BB8893X   |   Asin: B01LVU36UD

These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our USA laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for highest accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received. The electrode storage solution will help keep the pH electrode clean and protected.

Features

  • Color Coded for Easy Identification
  • Individually Bagged 250 ml (8 oz) Poly Bottles
  • Lot Numbered and Expiration Dated
  • Free Certificate of Analysis and Traceability
  • For Pharmaceutical, Academic, Research and Industrial Labs
  • See more on Amazon...

Brand: Biopharm   |   Manufacturer: Biopharm Inc

Package Dimensions: 3.5 x 6.75 x 9.75 inches (8.9 x 17.1 x 24.8 cm)

Amazon Price: $19.99 | as of 02/17/2019(5:44pm pst)
Availibility:
List Price: $19.99

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  #7

General Hydroponics PH 7 Calibration Solution for Gardening, 1-Quart

Model: GH1552   |    Mpn: 722035   |    Ean: 0793094015530   |    PartNumber: 722035   |   Asin: B0052YE2I0

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.

Features

  • General Hydroponics uses the highest quality electronic meter reference solutions
  • Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale
  • General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used
  • See more on Amazon...

Brand: General Hydroponics   |   Manufacturer: Hydrofarm, Inc.

Item Dimensions: 4.2 x 8.5 x 3.7 inches (10.7 x 21.6 x 9.4 cm)   |   Package Dimensions: 3.2 x 3.3 x 8.5 inches (8.1 x 8.4 x 21.6 cm)

Amazon Price: $17.70 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $21.50

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  #8

H2O Sync pH/ORP Electrode Storage Solution 8 oz / 237 mL for use with pH Probes and ORP Probes to Extend Life

 Ean: 0612520430962   |    PartNumber: 612520430962   |   Asin: B06WW82VS5

pH probes and ORP probes are sensitive and expensive. Make sure you have the H2O Sync pH Electrode Storage Solution ready to safely store your pH probe in when not being used to extend its life!
Compatible with almost all pH probes, this 3M KCL solution is what most manufacturers recommend for storage. (Some international pH probe manufacturers may also specify 3N KCL or 3NKCL or call it an electrode reference preservation solution which is the same as this solution).
The handy flip top cap snap cap makes it easy to pour even in small storage containers with fewer spills and also avoids larger spills from accidentally knocking the bottle over.

Features

  • 3M KCL pH/ORP electrode storage solution to extend life of pH and ORP probes
  • Many users find the solution reduces the need and frequency of pH meter/probe calibration
  • 8 oz / 237 mL wide base bottle with flip top snap cap for easy pouring and reducing spills
  • See more on Amazon...

Brand: H2OSync   |   Manufacturer: H2O Sync

Item Dimensions: 5.3 x 2.25 x 2.25 inches (13.5 x 5.7 x 5.7 cm)   |   Package Dimensions: 1.5 x 2.2 x 5.12 inches (3.8 x 5.6 x 13.0 cm)

Amazon Price: $9.99 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #9

Biopharm pH Calibration Solution Kit (2) 16oz (500 ml) Bottles pH 4 and pH 7 Buffer NIST Traceable Reference Standards for All pH Meters

 Ean: 0721272377170   |    PartNumber: BB88892X   |   Asin: B01LVU1UD1

Want that feeling of confidence from doing things right? Get our accurate, unbiased, independent and scientifically documented calibration standards and be sure your meter is working correctly. These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received.

Features

  • Color Coded for Easy Identification
  • Individually Bagged 500 ml (16 oz) Poly Bottles
  • Lot Numbered and Expiration Dated
  • Free Certificate of Analysis and Traceability
  • For Pharaceutical, Academic, Research and Industrial Uses
  • See more on Amazon...

Brand: Biopharm   |   Manufacturer: Biopharm Inc

Package Dimensions: 3.39 x 6.69 x 9.76 inches (8.6 x 17.0 x 24.8 cm)

Amazon Price: $19.99 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #10

General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, 8 oz

Model: GHPHCS4&7-8OZ   |    Mpn: GHPHCS4&7-8OZ   |    Ean: 0765018456002   |    PartNumber: GHPHCS4&7-8OZ   |   Asin: B017H73794

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.

Features

  • 2 bottles - 1 each of Ph 4.01 & Ph 7.0 Calibration Solution
  • Highest quality electronic meter reference solutions
  • Each batch is checked to ensure calibration
  • See more on Amazon...

Brand: General Hydroponics   |   Manufacturer: General Hydroponics

Item Dimensions: 4 x 4 x 8 inches (10.2 x 10.2 x 20.3 cm)   |   Package Dimensions: 2.05 x 3.94 x 5.91 inches (5.2 x 10.0 x 15.0 cm)

Amazon Price: $17.87 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.87

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  #11

General Hydroponics Ph 7.0 Calibration Solution - 8 Ounces, 1 bottle

Model: GH1551   |    Mpn: 722030   |    Ean: 0714639204400   |    PartNumber: 722030   |   Asin: B001D0CKYK

General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.

Features

  • General Hydroponics uses the highest quality electronic meter reference solutions
  • Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale
  • General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used
  • See more on Amazon...

Brand: General Hydroponics   |   Manufacturer: General Hydroponics

Item Dimensions: 1.8 x 6.1 x 1.8 inches (4.6 x 15.5 x 4.6 cm)   |   Package Dimensions: 1.7 x 2 x 5.9 inches (4.3 x 5.1 x 15.0 cm)

Amazon Price: $6.76 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $7.54

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  #12

6-pack pH Meter Buffer Solution Powder For Precise and Easy PH Calibration, PH Calibration Powder Solution 6.86,4.01,9.18

Model: PP-01   |    Mpn: 43237-2   |    Ean: 0613706120103   |    PartNumber: 43237-2   |   Asin: B01N9DFBT1

Your pH meter is not so accurate anymore?

If you have a pool, aquarium, or spa, pH testing is something you do on a regular basis. However, hassling with messy liquid solutions may not give you the accuracy you need. Put the measuring cup away and opt for pre-measured convenience.

Specifications:
2*4.01 Solution (Potassium Hydrogen Phthalate)
2*6.86 Solution (Mixed phosphate)
2*9.18 Solution (Borax)

Directions for use:
Step 1:Completely empty the powder into a clean 250mL glass beaker.
Step 2:Add 250mL deionized water (or distilled water) to the beaker.
Step 3:Stir until the powder has completely dissolved.
Step 4:Follow the Esee pH meter calibration steps to calibrate your pH meter(Asin for Esee PH meter: B01LWMJVPG )

CAUTION: Not a drinkable solution!

Don't Miss Out On This Excellent pH Calibration Powder, Click "Add to Cart" Now!

Features

  • Easy to use- No need to measure, just mix each packs with 250mL distilled water.
  • Total 6 packs-The set includes 2 package of 4.00, 2 package of 6.86 and 2 package of 9.18 calibration solution powder for all pH needs.
  • Designed for portability- Individual sized packets can be tucked in drawer, bag or suitcase for travel.
  • Save time and money-By mixing powders in a jar of distilled water, this lets you keep them longer and more readily available without needing more packets!
  • Wide range of applications-Ideal for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics.
  • See more on Amazon...

Brand: ESEE   |   Manufacturer: Esee

Package Dimensions: 0.45 x 2.7 x 4 inches (1.1 x 6.9 x 10.2 cm)

Amazon Price: $6.99 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $10.99

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  #13

Biopharm Buffer Calibration Solution Kit 3-Pack of 250 ml (8oz) each pH 4, 7 and 10 Calibration Standards Color coded NIST Traceable For All pH meters

 Ean: 0721272377163   |    PartNumber: BB8891X   |   Asin: B01LVVAKEM

These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our own laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received. Certificate of analysis and traceability included.

Features

  • NIST Reference Calibrated
  • Color Coded for Easy Identification
  • Lot Numbered and Expiration Dated
  • Individually Bagged 250 ml (8 oz) Poly Bottles
  • For Pharmaceutical, Academic, Research and Industrial Labs
  • See more on Amazon...

Brand: Biopharm   |   Manufacturer: Biopharm Inc

Package Dimensions: 3.5 x 6.8 x 9.7 inches (8.9 x 17.3 x 24.6 cm)

Amazon Price: $17.99 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.99

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  #14

8oz. pH Calibration Buffer Solution Kit (pH 4.00 & 7.00), plus 4oz. 3M KCL Storage Solution for pH/ORP Electrodes

Model: AI1108   |    Mpn: AI1108   |    Ean: 0858718006926   |    PartNumber: AI1108   |   Asin: B01MSZ4Q7Z

The Apera Instruments AI1108 pH calibration buffer solution Kit includes two 8oz bottles of pH buffer solutions (pH 4.00 & pH 7.00), and one 4oz bottle of 3M KCl storage solution for pH/ORP electrodes. The color-coded buffer solutions are standardized against NIST certified pH References within 0.01 pH at 25 c (77 f). it s ideal for the calibration of all kinds of pH meters. Since pH level is affected by temperature, a temperature/pH reference Chart is provided on the bottle Label for reference. The 3M KCl storage solution helps keep the sensitivity and accuracy of your pH probes. All the solutions are double-sealed, not subject to the dot shipping restrictions, and have a 1-year shelf life. Expiration date is printed on the bottle. Msds documents are downloadable. Note: store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of REACH of children.

Features

  • High accuracy ( 0.01 pH): standardized against NIST Certified pH references within 0.01 pH at 25 c (77 f). ideal for the calibration of all kinds of pH meters
  • Color-coded, double-sealed, 1-Year shelf life
  • Expiration Date and temperature/pH reference chart provided for reference
  • The 3M KCL storage solution helps keep the sensitivity and accuracy of your pH probes
  • Non-hazardous product (MSDS is downloadable)
  • See more on Amazon...

Brand: Apera Instruments, LLC   |   Manufacturer: Apera Instruments, LLC

Item Dimensions: 8 x 2 x 2 inches (20.3 x 5.1 x 5.1 cm)   |   Package Dimensions: 4.4 x 4.4 x 7.8 inches (11.2 x 11.2 x 19.8 cm)

Amazon Price: $27.02 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $27.02

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  #15

Biopharm pH Calibration Solution Kit (4) 8oz Bottles pH 4.0, 7.0, 10.0 and Electrode Storage Solution NIST Traceable Reference Standards for All pH Meters

 Ean: 0721272377118   |    PartNumber: BB8888X   |   Asin: B01EBFZU7W

These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for highest accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received. The electrode storage solution will help keep the pH electrode clean and protected.

Features

  • Color Coded for Easy Identification
  • Individually Bagged 8oz (250 ml) Poly Bottles
  • Lot Numbered and Expiration Dated
  • Free Certificate of Analysis and Traceability
  • For Pharaceutical, Academic, Research and Industrial Labs
  • See more on Amazon...

Brand: Biopharm   |   Manufacturer: Biopharm Inc

Package Dimensions: 3.6 x 6.8 x 9.9 inches (9.1 x 17.3 x 25.1 cm)

Amazon Price: $28.99 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $28.99

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  #16

Bluelab PH 4.0 Calibration Solution, 250 milliliters

Model: BLU4250   |    Mpn: BLU4250   |    Ean: 0798527146782   |    PartNumber: BLU4250   |   Asin: B004OOYN9M

PH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solutions should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened.

Features

  • PH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope)
  • Store in a cool place out of direct sun and heat
  • They should be stored with the lids securely tightened
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Brand: Bluelab   |   Manufacturer: Sunlight Supply Inc.

Item Dimensions: 2.6 x 2.7 x 7.6 inches (6.6 x 6.9 x 19.3 cm)   |   Package Dimensions: 1.42 x 4.49 x 8.03 inches (3.6 x 11.4 x 20.4 cm)

Amazon Price: $9.06 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.07

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  #17

Mediatech 25-055-CI Cell Culture Grade Water Tested to USP Sterile Water for Injection Specifications, 100 mL (Pack of 6)

Model: 25-055-CI   |    Mpn: 25-055-CI   |    PartNumber: 25-055-CI   |   Asin: B01MZ4IXRW

This Water for Injection (WFI)-quality water meets United States Pharmacopeia (USP) testing requirements. Applications for this water include use in cell culture, cleaning of laboratory glassware and containers, device processing, process validation and purification.

Features

  • Meets WFI Standards
  • Produced under the highest industry standards to ensure superior results
  • Process validation and purification
  • See more on Amazon...

Brand: Mediatech   |   Manufacturer: Mediatech, Inc., a Corning Subsidiary

Package Dimensions: 4.41 x 4.49 x 6.81 inches (11.2 x 11.4 x 17.3 cm)

First Available: 2017-03-12

Amazon Price: $50.87 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $50.87

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  #18

Biopharm Buffer Calibration Test Kit 2-Pack 16 oz (500 mL) pH 4.0 & 7.0-for Precise and Accurate Calibrations, Designed for Hydroponics, Aquariums, Pools and Aquaponics- Ideal for All pH Meters

 Ean: 0721272377545   |    PartNumber: BB8906X   |   Asin: B07BB51K6D

Want that feeling of confidence from doing things right? Get our accurate, unbiased, independent and scientifically documented calibration standards and be sure your meter is working correctly. These buffer calibration solutions are suitable for the calibration of all pH meters. Each production lot is manufactured in our laboratory following carefully controlled written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received.

Features

  • Convenient Waterproof Labels
  • Suitable for ALL pH Meters
  • FREE 'How to Use sheet included
  • Ideal for Hydroponics, Aquariums, Aquaponics and Pools
  • Individually Bagged 500 ml (16 oz) Poly Bottles
  • See more on Amazon...

Brand: Biopharm   |   Manufacturer: Biopharm Inc

Package Dimensions: 3.43 x 6.81 x 9.84 inches (8.7 x 17.3 x 25.0 cm)

Amazon Price: $19.95 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.95

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  #19

Extech EC-1413-P Conductivity Standard 1413 S

Model: EC-1413-P   |    Mpn: EC-1413-P   |    Ean: 0793950014134   |    PartNumber: EC-1413-P   |   Asin: B0029V4ZEU

Extech EC-1413-P 1413 S Conductivity Standard (2 Bottles) For use with Extech Conductivity meters like the EC400 ExStik Conductivity/TDS/Salinity Meter or DO610 ExStik II DO/pH/Conductivity Kit

Extech EC-1413-P are two bottles of 1413 muS Conductivity Standard, 1 pint each of premade solution. EC-1413-P is for use with Extech Conductivity meters like the EC400 ExStik Conductivity/TDS/Salinity Meter or DO610 ExStik II DO/pH/Conductivity Kit.

Key Features For use with Extech Conductivity meters like the EC400 ExStik Conductivity/TDS/Salinity Meter or DO610 ExStik II DO/pH/Conductivity Kit Convenient pint size conductivity standards calibrate your conductivity meter to optimize its accuracy Comes in convenient pint size plastic bottles

Features

  • Pint size bottles with pre-made 1413 S conductivity calibration solution
  • 1413 S conductivity standard
  • Comes in convenient pint size plastic bottles
  • See more on Amazon...

Brand: Extech   |   Manufacturer: Extech

Item Dimensions: 8.8 x 2.5 x 5.3 inches (22.4 x 6.4 x 13.5 cm)   |   Package Dimensions: 2.4 x 5.2 x 7.1 inches (6.1 x 13.2 x 18.0 cm)

Amazon Price: $26.00 | as of 02/17/2019(5:44pm pst)
Availibility: Usually ships in 24 hours
List Price: $26.99

Warranty: 6 months

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