Biological Buffers

Biological buffers are inert and have short-term effects on the system under investigation, both of which are distinct advantage over inorganic substances and weak organic acids that were used in the past. Most biological buffers in use today are N-substituted taurine or glycine buffers, which meet most of the requirements that biological buffers have to fulfill. Buffer systems are usually used for experiments to enable direct comparison of results.

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VWR® Phosphate Buffer, pH 7.2

Supplier: VWR International

APHA for BOD (biological oxygen demand).

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Tris-Gly-SDS

Supplier: Ward's Science

Tris-Gly-SDS Buffer Solution, Premixed Powder, Makes 6 L

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VWR® HEPES, 1M, pH 7.3, Biotechnology Grade

Supplier: VWR

HEPES, 1M, pH 7.3, VWR®

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VWR® Sodium Acetate Buffer Solution, pH 5,2 (3 mol/L), Biotechnology Grade

Supplier: VWR

Sodium acetate buffer, VWR®, 3 M

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VWR® TRIS 1.0M Solution, pH 7.5, Ultra Pure Grade

Supplier: VWR

TRIS 1.0M Solution pH 7.5, VWR®

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J.T.Baker® DILUT-IT™, Sodium Phosphate, Dissolution Media Concentrate

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

DILUT-IT™ dissolution media concentrate, sodium phosphate, J.T.Baker®

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J.T.Baker® DILUT-IT™, Potassium Phosphate, Dissolution Media Concentrate

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

DILUT-IT™ is a ready-to-use dissolution media concentrate, which is pre-measured and only need to be diluted with purified water.

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Titrisol® Buffer Concentrate for Buffer Solution acc. to WEISE, MilliporeSigma

Supplier: MilliporeSigma

Titrisol* for 1000 ml of solution (phosphate), pH 7.20, Synonym Weise's Buffer solution.

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Titrisol® Buffer Concentrate (Borate/Hydrochloric acid), Traceable to SRM of NIST and PTB, MilliporeSigma

Supplier: MilliporeSigma

Cs50 Borate/hydrochloric acid

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Titrisol® Buffer Concentrate (Glycine/Hydrochloric acid), Traceable to SRM of NIST and PTB, MilliporeSigma

Supplier: MilliporeSigma

Titrisol* (glycine/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 1.00 +/- 0.02 (20 degree C), Synonym Titrisols for preparation of buffer solutions, Hazard May be corrosive to metal.