For further processing only. Others Tris Tris 3.2.15.1.2.1 crystallizate 10 153 265 103 10153265103 Tris Tris 07613336133279 Reagents, kits custom fill Not Available CustomBiotech product. Please contact your local representative. Will be supplied as "Tris-(hydroxymethyl)-aminomethane". Unit of measure is "kg". 77-86-1 en Use Tris as a buffer in diagnostic reagents, especially in tests for aminotransferases or γ-glutamyltransferase. en Buffer for diagnostic tests, such as tests for aminotransferases. en Appearance: Colorless, odorless crystallizate Solubility: Clear, colorless solution in water (c=100 mg/mL), free of fuzz Flow properties: Passes Melting range: +168 to +171°C Conductivity (water, 1 μS, +25°C): ≤110 μS pH value (c=6 mg/mL, in water): 10.0-11.0 Tris (titrimetric, based on dry weight): 99.5-100.5% Water (K. Fischer): ≤0.2% Sulfate ash (with concentrated H2SO4 at +600°C): ≤0.05% Fe (AAS): ≤1 ppm As (AAS): ≤1 ppm Heavy metals (as Pb): ≤1 ppm Reducing substances (KMnO4, 0.002 mol/L): ≤3 mL/100 mg Acetone (GC): ≤0.05% Methanol (GC): ≤0.05% Cl (turbidimetric test with AgNO3): ≤20 ppm Bioburden: ≤100 CFU/g A300 (against water, c=100 mg/mL): ≤0.020 A405 (against water, c=100 mg/mL): ≤0.004 Stability: At +15 to +25°C within specification range for 24 months. Protect from light. en

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