Grade EP, USP, cell culture tested, ≥99.9% (T)
Appearance White Crystalline Powder
Residue on ignition (Ash) ≤ 0.1 %
Solubility Colorless，Clear，200 g plus 300 ml of H2O
Cell Culture Test Pass
DNAse, Exonuclease Detection None Detected
NICKase,Endonuclease Detection None Detected
Protease Detection None Detected
Chloride (Cl) ≤ 100 ppm
Endotoxin Level ≤ 1 EU/mg
Iron (Fe) ≤ 1 ppm
ICP atomic emission
Heavy Metal(as Lead) ≤ 2 ppm
Identity Test B (EP) Pass
Identity Test C (EP) Pass
Identity Test A (USP) Pass
Water (by Karl Fischer) ≤ 0.2 %
Loss on Drying ≤ 0.5 %
(EP)
UV absorption 290 nm, 1 % in H2O ≤0.05
UV absorption 260 nm, 10 % in H2O ≤0.03
UV absorption 280 nm, 10 % in H2O ≤0.02
UV absorption 430 nm, 10 % in H2O ≤0.004
UV absorption 290 nm, 40 % in H2O ≤0.2
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