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TRIS BUFFER AR

Product Code: 06392


Specifications

Appearance White crystalline powder
Assay (by HClO4 titration; on dried basis) Min 99.5%
pH (5% solution in water) 10 - 11
Melting point 169 - 171°C
Chloride (Cl) Max 0.001%
Sulphated ash Max 0.01%
Water (H2O) Max 0.5%
Absorbance (A1%/1cm; 10% in water) -
at 260 nm Max 0.02
at 280 nm Max 0.02
at 300 nm Max 0.02
at 405 nm Max 0.004
at 430 nm Max 0.004
Biological buffer at 25°C pKa 8.07

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