性狀

Appearance

白色或類白色粉末，有吸濕性，水中易溶

White or almost white powder,Hygroscopic

Freely soluble in water

類白色粉末，有吸濕性，水中易溶

White or almost white powder,Hygroscopic

Freely soluble in water

鑒別

Identification

¹C NMR Spectrum

應符合規(guī)定

Should complied

符合規(guī)定

complied

HPLC

應符合規(guī)定

Should complied

符合規(guī)定

complied

平均分子量

Average Molecular Weight

M_W=8000~15000D

12450D

Anti-FⅩa/ Anti-FⅡa

0.9~1.1

1.0

效價potency

Anti-F Xa: ≥ 180 IU/mg

190 IU/mg

核苷酸 Nucleotidic

A260≤0.20

A280≤0.15

A260= 0.18

A280= 0.12

氮含量 Nitrogen content

1.3~2.5%

2.0%

酸堿度pH

5.0~7.5

6.5

蛋白質 Protein

≤2.0%

0.8%

重金屬 Heavy Metals

NMT 30ppm

符合規(guī)定

complied

干燥失重 Loss on drying

NMT 5.0%

2.4%

細菌內毒素Bacterial endotoxins

0.03USP U

符合規(guī)定

complied