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Research Products International Corp HEPES, Free Acid [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)], 1 Kilogram

Supplier: Research Products International Corp H750301000.0

Zwitterionic N-substituted aminosulfonic acid buffer. pka (25?C): 7.5 pH Range (Working): 6.8 - 8.2 Heavy Metals: <0.001% Max
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