Q/(HG)SJ 460-91
项目Item 分析纯 化学纯
(AR) (CP)
含量(C6H8O7)Assay,% ≥ 99.5 99.0
澄清度试验Clarity 合格 合格
水不溶物Insoluble matter in water,% ≤ 0.01 0.01
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.035 0.07
氯化物(Cl)Chloride,% ≤ 0.0025 0.005
硫酸盐(SO4)Sulfate,% ≤ 0.01 0.02
磷酸盐(PO4)Phosphate,% ≤ 0.0025 0.005
钙(Ca)Calcium,% ≤ 0.01 0.02
铁(Fe)Iron,% ≤ 0.001 0.002
重金属(以Pb计)Heavy metals,% ≤ 0.0005 0.001
品级Grade 细胞培养专用
(AR)
外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥97.0% (GC)
水溶解试验solubility in water 50 mg/mL,Clear
水分water ≤1.0 % (K.F)
细胞培养测试Cell Culture Test Pass
植物细胞培养Plant Cell Culture Test Pass
品级Grade ACS级
(ACS reagent)
含量assay ≥99.5% (T)
灼烧残渣Ignition residue ≤0.02% (as SO4)
干燥损失loss on drying ≤0.5% , 110 °C
pKa (1) 3.13, (2) 4.76, (3) 6.4
熔点mp 153-159 °C
氯chloride (Cl-): ≤5 ppm
草酸盐oxalate (C2O42-): ≤500 ppm
磷酸盐phosphate (PO43-): ≤5 ppm
硫酸根sulfate (SO42-): ≤20 ppm
Ca: ≤10 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤3 ppm
K: ≤50 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Na: ≤50 ppm
Ni: ≤5 ppm
|