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Bis-tris hydrochloride

TESTITEMSSTANDARDTESTRESULTS
APPEARANCEWHITECRYSTALLINEPOWDERCONFORM
ASSAY≥98.0%98.1%
SOLUBILITY(0.1Maq.)CLEAR,COLORLESSSOLUTIONCONFORM
ULTRAVIOLETABSORBANCE(0.1Maq.)≤0.010.009
ULTRAVIOLETABSORBANCE(0.1Maq.)≤0.050.037
PH(1%aq.)3.8-4.03.81
WATER≤1.0%0.88%