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pH Buffers


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pH Buffers

The pH buffers are essential for routine pH meter calibration in order to capture accurate readings. Ready-to-use prepared solutions eliminate the time, expense, and contamination risks of mixing buffers. With colored and colorless pH buffer options available, researchers can efficiently select the correct indicating solution for any test. Powder pillows and sachets permit laboratories to store the concentrated substances for longer time periods without being affected.


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Supplier:  BDH
Description:   BDH pH buffers are available as either colorless or colored solutions.
MSDS SDS
Product available on GSA Advantage®
Supplier:  VWR International
Description:   For sympHony® pH meter standardization.
MSDS SDS
Product available on GSA Advantage®
Supplier:  VWR International
Description:   APHA 4500-C1 and ASTM 1253-91 for chlorine
MSDS SDS

Supplier:  VWR International
Description:   Suitable for determination of chlorine.
MSDS SDS
Supplier:  VWR International
Description:   Traceable® pH Standards, Certified Reference Materials, are 100% compatible with all instruments and probes
MSDS SDS
Supplier:  Avantor Performance Materials
Description:   High quality buffer solutions ensure accurate pH measurements time after time.
MSDS SDS
Supplier:  Avantor Performance Materials
Description:   This BAKER ANALYZED® Reagent is a phosphate buffer solution for laboratory, research, and/or manufacturing uses.
MSDS SDS
Supplier:  VWR
Description:   STANDARD PH 7.0 BIOTECHNOLOGY GRD 500ML
MSDS SDS
Supplier:  Avantor Performance Materials
Description:   Accurate to within ±0.01 pH at 25 °C (±0.02 for pH 9 and 9.18).
Supplier:  Avantor Performance Materials
Description:   Ammonia-Ammonium Chloride Buffer
MSDS SDS
Supplier:  Puritan Products, Inc.
Description:   These cGMP manufactured pH buffers and conductivity standards enable reliable and accurate monitoring, prompt process management, and regulatory compl...
Supplier:  Avantor Performance Materials
Description:   DILUT-IT dissolution media concentrates are produced from raw materials in accordance with USP/EP/BP/JP guidelines under validated processes in Avanto...
Supplier:  MilliporeSigma
Description:   Standardized against solutions whose certification is traceable to the National Institute of Standards and Technology.
MSDS SDS
Supplier:  Hach
Description:   For pH meter standardization
MSDS SDS
Product available on GSA Advantage®
Supplier:  Hach
Description:   Convenient 3-packs of color-coded buffer solutions offer a 33% cost reduction over single bottle purchase
Product available on GSA Advantage®
Supplier:  Hach
Description:   Single-use standard solutions eliminate the need to prepare standardized buffer solutions for pH meter calibration
MSDS SDS
Product available on GSA Advantage®
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
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  • City or County issued Business License
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  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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