For further processing only. Others Hepes Hepes 3.2.15.1.3.1 crystalline powder 10 172 944 103 10172944103 Hepes Hepes Reagents, kits custom fill Not Available CustomBiotech product. Please contact your local representative. Will be supplied as "Hepes". Unit of measure is "kg". 7365-45-9 en Use Hepes as a buffer in reagents. en Buffer for diagnostic tests, such as amylase test. en 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid en Appearance: White, crystalline powder Solution (238 mg/ml water): clear pK Value (37 °C): 7.21-7.41 pK Value (25 °C): 7.38-7.58 Hepes (alcalimetric): ≥97% Hepes (from N): ≥97% N (elementary analysis): ≥11.4% A260 (238 mg/ml water): ≤0.050 A405 (238 mg/ml water): ≤0.030 Cl (chloride meter): ≤0.04% Hepes (Purity check, α-amylase contamination): ≤0.1mA/min Exclusion of skin contact and contamination with salvia: Corresponds to specification. Stability: At +15 °C to +25°C within specification range for 24 months. en

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