项    目Items

标    准Requirements

结    果Results

⑴

外    观Description

白色或类白色结晶性粉末

White or almost white crystalline powder

符合标准Complies

⑵

熔    点Melting Point

160℃ - 170℃

165℃-166℃

⑶

含氯量≤%  Chloride content

13.9％～14.6％

14.5％

⑷

硫酸盐ppm sulfates

≤2000ppm

符合标准Complies

(5)

异丙肾上腺酮≤

Limit of Isoproterenone

A310nm0.2

0.02

(6)

干燥失重≤%   Loss on drying

1.0%

0.04％

(7)

有机挥发杂质≤ ppm

organic volatile impurities

甲醇 methanol≤3000 ppm

110ppm

异丙醇2-prcpanol≤5000 ppm

80ppm

(8)

炽灼残渣≤%Residue on ignition

0.2％

0.02％

(9)

含    量（干基）≤%  Assay (Drier)

97.0％～101.5％

99.7％

结    论Conclusion:       符合标准规定

Meets the requirements