性狀

Appearance

白色或類(lèi)白色粉末，有吸濕性，水中易溶

White or almost white powder,Hygroscopic

Freely soluble in water

符合規(guī)定

Complied

鑒別

Identification

¹³C NMR Spectrum

應(yīng)符合規(guī)定

Should complied

符合規(guī)定

complied

分子量分布

Molecular Weight

M_w=3800~5000D

4430D

M_2000~8000=75.0~95.0%

80.5%

M￡₂₀₀₀=12.0~20.0%

13.9%

Anti-FⅩa/ Anti-FⅡa

2.5-4.0

3.61

效價(jià)Potency

Anti-FⅩa:90~125IU/mg

115.2 IU/mg

 Anti-FⅡa:20~35IU/mg

27.8 IU/mg

溶劑殘留

Residual solvents

DMF

NMT 880 ppm

未檢出

Not Detected

乙醇

NMT 5000 ppm

750 ppm

H₂O₂殘留

Residual H₂O₂ in 10% of Aqueous solution

< 0.5 ppm

符合規(guī)定

complied

SO₄^2-/COO^-

NLT 1.8

2.1

游離硫

Free Sulfate Content

NMT0.5%

0.2%

氮 Nitrogen

1.8%~2.5%

2.1%

鈉 Sodium

11.3%~13.5%

12.2%

pH (10% Aqueous solution)

6.2~7.7

6.9