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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VWR® Phosphate Buffered Saline (PBS)

Supplier: VWR International

Balanced salt solution used for multiple cell culture applications.

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Buffer, Reference Standard pH 13.00 ±0.01 at 25 °C

Supplier: BDH

Buffer, Reference Standard pH 13.00 ±0.01 at 25 °C

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VWR® Blood Bank Saline Solutions

Supplier: VWR International

Blood bank saline is pH-controlled for a pH between 6.5 and 7.0.

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Buffer, Reference Standard pH 1.00 ±0.01 at 25 °C

Supplier: BDH

GHS 5 Signalword: Danger

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Buffer, Reference Standard pH 11.00 ±0.01 at 25 °C

Supplier: BDH

Buffer, Reference Standard pH 11.00 ±0.01 at 25 °C

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Buffer, Reference Standard pH 9.18 ±0.01 at 25 °C

Supplier: BDH

GHS 8 Signalword: Danger

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Buffer, Reference Standard pH 6.86 ±0.01 at 25 °C

Supplier: BDH

Buffer, Reference Standard pH 6.86 ±0.01 at 25 °C

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VWR® Phosphate Buffer, pH 7.2

Supplier: VWR International

APHA for BOD (biological oxygen demand).

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pH Reference Standard Buffers, VWR Chemicals BDH®

Supplier: BDH

BDH pH buffers are available as either colorless or colored solutions.

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VWR® Sodium Phosphate 0.1 M, pH 7.0 Buffer

Supplier: VWR International

Made with sodium phosphate monobasic monohydrate, sodium hydroxide solution and deionized water.

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Buffer, Reference Standard pH 10.00 ±0.01 at 25 °C (Color Coded Blue)

Supplier: BDH

Buffer, Reference Standard pH 10.00 ±0.01 at 25 °C (Color Coded Blue)

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Total Ionic Strength Adjustment Buffer Solution (TISAB), VWR Chemicals BDH®

Supplier: VWR International

ASTM formulation D 1179 with deionized water, acetic acid, sodium chloride and sodium citrate.

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Buffer, Reference Standard pH 4.00 ±0.01 at 25 °C (Color Coded Red)

Supplier: BDH

Buffer, Reference Standard pH 4.00 ±0.01 at 25 °C (Color Coded Red)

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Buffer, Reference Standard pH 4.00 ±0.01 at 25 °C

Supplier: BDH

Buffer, Reference Standard pH 4.00 ±0.01 at 25 °C

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VWR® TBS (TRIS Buffered Saline) Buffer Powder Packs

Supplier: VWR International

VWR® Buffer Powder Packs can save time and money, as there is no need to measure and weight many separate chemical components which is required when making buffers from scratch.