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137270 HEPES

EMPROVE® EVOLVE

137264 HEPES

EMPROVE® EVOLVE
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391338 HEPES, Free Acid, ULTROL® Grade - CAS 7365-45-9 - Calbiochem

A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C. Absorbance (1.0 M, H2O, 260 nm):≤0.05.
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391333 HEPES, Sodium Salt, ULTROL® Grade - CAS 75277-39-3 - Calbiochem

A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10.
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110110 2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid

Buffer substance HEPES EMPROVE® EXPERT
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