检测项目 Test Iterm | 标准规定 Specification | 检测结果 Results | ||
性状 Appearance | 白色或类白色粉末,有吸湿性,水中易溶 White or almost white powder,Hygroscopic Freely soluble in water | 符合规定 Complied | ||
1,6-脱水结构 1,6-anhydro derivative | 15-25% | 18.9% | ||
鉴别 Identification | 13C NMR Spectrum | 应符合规定 Should complied | 符合规定 complied | |
分子量分布 Molecular Weight | Mw=3800~5000D | 4430D | ||
M³8000 <18% | 11.6% | |||
M2000~8000=68.0~82.0% | 70.5% | |||
M£2000=12.0~20.0% | 17.9% | |||
Anti-FⅩa/ Anti-FⅡa | 3.3~5.3 | 4.14 | ||
效价Potency | Anti-FⅩa:90~125IU/mg | 115.2 IU/mg | ||
Anti-FⅡa:20~35IU/mg | 27.8 IU/mg | |||
溶剂残留 Residual solvents | DMF | NMT 880 ppm | 未检出 Not Detected | |
乙醇 | NMT 5000 ppm | 750 ppm | ||
H2O2残留 Residual H2O2 in 10% of Aqueous solution | < 0.5 ppm | 符合规定 complied | ||
SO42-/COO- | NLT 1.8 | 2.1 | ||
游离硫 Free Sulfate Content | NMT0.5% | 0.2% | ||
氮 Nitrogen | 1.8%~2.5% | 2.1% | ||
钠 Sodium | 11.3%~13.5% | 12.2% | ||
pH (10% Aqueous solution) | 6.2~7.7 | 6.9 |