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You Searched for: "Buffers"

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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
Description:   Blood bank saline is pH-controlled for a pH between 6.5 and 7.0.
SDS
Supplier:  VWR
Description:   For sympHony® pH meter standardization.
SDS
Product available on GSA Advantage®
Supplier:  BDH
Description:   Buffers are available as either colorless or colored solutions. They are all calibrated in an ISO 17025 certified laboratory using certified Standards...
SDS
Catalog Number: (BDH7447-1)
Supplier:  VWR
Description:   Suitable for method ASTM D 1253 for determination of residual chlorine.
SDS
Supplier:  VWR
Description:   APHA 4500-C1 and ASTM 1253-91 for chlorine. Standardized at 25°C against chemicals whose certification is traceable to NIST.
SDS
Catalog Number: (BDH7895-4)
Supplier:  VWR
Description:   Made with sodium phosphate monobasic monohydrate, sodium hydroxide solution and deionized water.
SDS
Supplier:  VWR
Description:   APHA for BOD (biological oxygen demand).
SDS
Supplier:  VWR
Description:   ASTM formulation D 1179 with deionized water, acetic acid, sodium chloride and sodium citrate.
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.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

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:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


VWR will not lift restrictions for residential shipping addresses.

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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 currently unavailable but limited stock may be available in our extended warehouse network. Please call 1-800-932-5000 and a VWR Customer Service Representative will help you.
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