90%:
外观Appearance 暗绿色至黑色粉末
红外光谱鉴别Infrared spectrometry 符合
含量Dye Content ≥90% (HPLC)
干燥失重Drying loss ≤10.0 %
消光系数Extinction Coefficient ≥35000 0.800(0.003 g/l, 600 - 604 nm,; H2O + 1% NA2CO3 )
品级Grade 细胞培养级
(for cell culture,≥90% (HPLC))
外观Appearance Powder
溶解性Solubility Dark Blue ,1mg/ml in 1M Ammonium Hydroxide
pH 3.8 (Orange) Conforms
pH 6.5 (Violet) Conforms
UV absorption 600 nm
染料含量Dye Content ≥90.0 %
细胞培养试验Cell Culture Test Pass
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