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You Searched For: 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.

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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Image Unavailable-34574-2.5L

TISAB IV Solution for Determination of Fluoride, Supelco®

Supplier: Merck
Description: Total ionic strength adjustment buffers (TISAB), is generally used for the microdetermination of fluorides.

Image Unavailable-58221-500ML-F

ISA (ionic strength adjustment solution: 1 M KCl), Supelco®

Catalog Number: (58221-500ML-F)
Supplier: Merck
Description: Solution used to establish a constant ionic strength in a sample solution containing e.g. calcium for det. with ISE.
UOM: 1 * 500 mL

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Product Image-1.09400.0500

Buffer solutions, Certipur®, colour coded, Supelco®

Supplier: Merck
Description: Materials for the precise calibration and monitoring of pH meters.

MSDS Environmentally Preferable Sale

Image Unavailable-89467-500ML

TISAB III solution (Total Ionic Strength Adjustment Buffer) for fluoride determinations, Supelco®

Catalog Number: (89467-500ML)
Supplier: Merck
Description: TISAB III solution for fluoride determinations
UOM: 1 * 500 mL

Certificates


Product Image-1.09437.4000

Buffer solutions, ready to use, referenced at 20 °C, Certipur®, Supelco®

Supplier: Merck
Description: Materials for the precise calibration and monitoring of pH meters.

MSDS Certificates Environmentally Preferable Sale

Image Unavailable-1.99091.0500

Buffer solutions, according to EP and USP, Certipur®

Supplier: Merck
Description: Buffer solutions intended for extremely precise calibration, qualification and monitoring of pH instruments, and for testing other buffer solutions.

Image Unavailable-1.01962.0001

Standard reference materials and buffer solutions, CertiPUR®, Supelco®

Supplier: Merck
Description: Materials for the precise calibration and monitoring of pH instruments.

MSDS Certificates Sale

Image Unavailable-1.06177.2500

Buffer, TBE solution 10X concentrate (TRIS-borate-EDTA buffer), Millipore®

Catalog Number: (1.06177.2500)
Supplier: Merck
Description: Running Buffer, TBE buffer solution 10X concentrate (TRIS-borate-EDTA buffer)
UOM: 1 * 2,5 L

MSDS Certificates


Image Unavailable-18597-100ML

Triethylammonium bicarbonate buffer, for HPLC, LiChropur™, Supelco®

Supplier: Merck
Description: 1M Buffer, also for use in ion-exchange chromatography and electrophoresis.

Certificates

Image Unavailable-76847-100ML-F

Phosphate buffer solution, BioUltra, Supelco®

Catalog Number: (76847-100ML-F)
Supplier: Merck
Description: Phosphate buffer, BioUltra, >0,044 M Na₂HPO₄, >0,022 M NaH₂PO₄, pH value: 7,2
UOM: 1 * 100 mL

Certificates


Product Image-1.09883.0050

Buffers, concentrated solutions, Titrisol®, Supelco®

Supplier: Merck
Description: Titrisol® buffer concentrate for 500 ml buffer solution [20 °C].

Sale

Product Image-1.06587.1000

Buffer, di-Sodium hydrogen phosphate solution 0,066 M, pH 9,2, Supelco®

Catalog Number: (1.06587.1000)
Supplier: Merck
Description: Buffer stock solution 1/15 mol/l
UOM: 1 * 1 L

MSDS Certificates


Product Image-B4895-500ML

pH buffers, colour coded, reference standards, Supelco®

Supplier: Merck
Description: 16929905

Image Unavailable-443123-475ML

Ionic strength adjustor buffer solution for fluoride electrode, Supelco®

Catalog Number: (443123-475ML)
Supplier: Merck
Description: It may be used as TISAB buffer in determination of fluoride in coal, coal fly ash, phosphate rock, limestone, mineral clay, fossilised materials, oyster tissue and vegetation using pyrohydrolysis for sample decomposition.
UOM: 1 * 475 mL
Image Unavailable-P8165-1VL

Phosphate Buffer, pH 6.6 at 25 °C

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Phosphate buffer's buffering capacity is pH sensitive and is preferred to be used at physiological pH (7,2 to 7,4).

Image Unavailable-89273-100ML

Borate buffer for HPLC, LiChropur™, Supelco®

Catalog Number: (89273-100ML)
Supplier: Merck
Description: 17076431
UOM: 1 * 100 mL
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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 on +353 1 88 22222
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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