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Buffers


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Buffers

Resisting pH changes, buffers protect samples when acids or alkali is added. Powder and liquid forms efficiently track proteins during electrophoresis isolation and separation. The salty buffers can also be used to calibrate and standardize pH meters for accurate readings. Blocking substances stop antibody attachment to membrane free sites that would produce an interfering background. In various concentrations to fit any need, the buffers may come in liquids or dehydrated formats.


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Supplier:  VWR International
Description:   Blood bank saline is pH-controlled for a pH between 6.5 and 7.0.
MSDS SDS
Product available on GSA Advantage®
Supplier:  Hach
Description:   For pH meter standardization
MSDS SDS
Product available on GSA Advantage®
Supplier:  Thermo Fisher Scientific
Description:   Blood bank saline pH 7.0–7.2 is a phosphate buffered saline solution manufactured to match the pH of human blood
Supplier:  BDH
Description:   BDH pH buffers are available as either colorless or colored solutions.
MSDS SDS
Catalog Number: (BDH7830-1)

Supplier:  VWR International
Description:   N.I.S.T traceable to SRM 919.
MSDS SDS
Supplier:  VWR International
Description:   APHA 4500-C1 and ASTM 1253-91 for chlorine.
MSDS SDS
Supplier:  VWR International
Description:   VWR® brand hematology buffers are designed for use with the range of VWR hematology stains and reagents.
MSDS SDS

Supplier:  VWR International
Description:   Made with sodium phosphate monobasic monohydrate, sodium hydroxide solution and deionized water.
MSDS SDS
Supplier:  VWR International
Description:   ASTM formulation D 1179 with deionized water, acetic acid, sodium chloride and sodium citrate.
MSDS SDS
Supplier:  VWR International
Description:   APHA for BOD (biological oxygen demand).
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:  VWR
Description:   1X Solution Composition:135 mM NaCl, 2.7 mM KCl,11 mM Phosphate Buffer.Does not contain magnesium or calcium.
MSDS SDS
Supplier:  VWR
Description:   PHOSPHATE BUFF SALN (PBS) 2PK= 1 EA
MSDS SDS
Product available on GSA Advantage®
Supplier:  VWR
Description:   SOLUTION 0.5M ST EDTA BIOTECH GRD 500ML
MSDS SDS
Catalog Number: (470233-572)

Supplier:  Ward's Science
Description:   Includes 500 ml each of buffer solution pH 10, pH 4, and pH 7. Also includes 100 ml of electrode storage solution, KCl.
MSDS SDS
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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.
To process your orders without delay, please provide the required business documentation to purchase this product.

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

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name & address

* ATTN: California Customers may require additional documentation as part of the CA Health & Safety Code. Products that fall under this regulation will be placed on a mandatory 21-day hold after documentation is received. 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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