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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Buffer, TRIS solution pH 8,0 (1 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 8,0 (1 mol/l)

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Buffer, TRIS solution pH 7,8 (1 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 7,8 (1 mol/l)

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Buffer, TRIS solution pH 7,2 (1 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 7,2 (1 mol/l)

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Buffer, TRIS solution pH 9,0 (1 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 9,0 (1 mol/l)

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Buffer, TRIS solution pH 7,5 (1 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 7,5 (1 mol/l)

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Buffer, TRIS solution pH 7,6 (1 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 7,6 (1 mol/l)

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Buffer, TRIS solution pH 8,0 (2 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 8,0 (2 mol/l)

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Buffer, TRIS solution pH 8,0 (1 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 8,0 (1 mol/l)

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Phosphate buffered saline (PBS), Sigma-Aldrich®

Supplier: Merck

Contents of one pouch, when dissolved in one liter of distilled or deionised water, will yield 0,01 M phosphate buffered saline (NaCl 0,138 M; KCl - 0,0027 M); TWEEN® 20 - 0,05%, pH 7,4, at 25 °C.

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Buffer, Trizma® hydrochloride solution, TRIS solution pH 7,4 (1 mol/L), BioPerformance Certified, Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, TRIS buffer solution pH 7,4 (1 mol/l)

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Dulbecco’s phosphate buffered saline (DPBS), Sigma-Aldrich®

Supplier: Merck

Dulbecco’s phosphate buffered saline is modified with/without calcium chloride and magnesium chloride, liquid, sterile-filtered, suitable for cell culture.

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Tris-EDTA buffer solution, pH 8,0, for molecular biology, BioUltra, Sigma-Aldrich®

Supplier: Merck

This buffer is 10 mM Tris-HCl and 1 mM disodium EDTA.

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pH Buffer solutions

Supplier: Hach

For calibration of pH meters.

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Buffer, HEPES solution, 1 M, suitable for cell culture, 0,2 μm filtered, BioPerformance Certified, Sigma-Aldrich®

Supplier: Merck

HEPES buffer solution (1 mol/l)

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pH buffer, single-use, SINGLET™

Supplier: Hach

These buffers solutions packs are used for pH meter calibration. The sealed foil pouches can be transported easily and safely without any spillage and also prevents contamination or exposure to air of the solutions.

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Carbonate Borax Free Buffer Solution

Supplier: REAGECON

This range of Reagecon pH Buffers are sodium tetraborate (Borax) free. They are not subject to classification by EU regulatory authorities as toxic to reproduction under CLP category 1B. Similar in approach to the existing range of Reagecon Mercury Free Buffers, these Buffer Solutions have been developed to enhance user choice and allay safety concerns, without any impact on fitness for purpose or product performance.