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H4034 Sigma

HEPES

Biotechnology Performance Certified, ≥99.5% (titration), cell culture tested

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Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

HEPES Biotechnology Performance Certified, ≥99.5% (titration), cell culture tested
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Properties

Related Categories BioReagent Buffers, Biological Buffers, Buffer / Buffer Salts, Buffered Salt Solutions, Buffers / Buffer Salts,
Quality Level   ELITE
grade   Biotechnology Performance Certified
assay   ≥99.5% (titration)
impurities   endotoxin and total aerobic microbial count, tested
useful pH range   6.8 - 8.2
pKa (25 °C)   7.5
cation traces   Fe: ≤5 ppm
  heavy metals (as Pb): ≤5 ppm
abs.   A0.1M/260, H2O ≤0.05
  A0.1M/280, H2O ≤0.05
suitability   cell culture tested
foreign activity   DNase, RNase, NICKase, protease, none detected
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Description

Other Notes

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