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 crystals, free from smell Appearance of the aqueous solution: colorless, clear, without particles pH-value (c=0.6%; w/v): 10.0-11.0 Melting point: +168 to +171°C Conductivity (c=0.2 mol/L): ≤110 μS/cm Flowability: corresponds Absorbance at 300 nm (c=10%; w/v): ≤0.031 Absorbance at 405 nm (c=10%; w/v): ≤0.004 Chloride: ≤20 ppm Heavy metals (lead, Pb): ≤1 ppm Oxidizing substance: not detactable Reducing substances (≤ 3.0 mL KMnO4 solution 0.002 mol/L / 100 mg): corresponds Iron (AAS): ≤1 ppm Arsene (AAS): ≤1 ppm Magnesium (AAS): ≤2 ppm Calcium (AAS): ≤3 ppm Sulfate ash: ≤0.05 % Water content (Karl-Fischer): ≤0.5% Microbiological test: corresponds Assay acidimetric (based on anhydrous substance): 99.5-100.5% Stability: At +15 to +25°C within specification range for 24 months. Store dry and protect from light. en

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