|
检验标准
Specification
|
企业标准
In-house
|
|
检验项目
Test Items
|
标准规定
Specification
|
检验结果
Results
|
|
【性状】Description
|
|
外观
Appearance
|
白色结晶性粉末
White crystalline powder
|
白色结晶性粉末
White crystalline powder
|
|
熔点
Melting Point
|
192℃~196℃，熔融时分解
Degradation on Melting
|
194.5℃
|
|
比旋度
Specific Rotation
|
-149°~-151°（Water，C=0.1）
|
-150.2°
|
|
【鉴别】Identification
|
|
A. 化学鉴别Chemical
|
应呈正反应
Positive reaction
|
呈正反应
Positive reaction
|
|
B. 化学鉴别Chemical
|
应呈正反应
Positive reaction
|
呈正反应
Positive reaction
|
|
C. IR鉴别Infrared
|
应与对照图谱（光谱图集693）一致
Should correspond to RS
|
符合规定
Conforms
|
|
【检查】Test
|
|
酸度Acidity
|
pH between 2.0 and 3.0( 2.5mg/ml)
|
2.55
|
|
有 关 物 质
Related Substance
|
NMT 1.0%
|
0.35%
|
|
干 燥 失 重
Loss on Drying
|
NMT 0.5%
|
0.21%
|
|
炽 灼 残 渣
Residue on ignition
|
NMT 0.1%
|
Conforms
|
|
重 金 属
Heavy metal
|
NMT 10ppm
|
Conforms
|
|
残留溶剂 Residual Solvent
|
|
甲醇 Methanol
|
NMT 3000ppm
|
Conforms
|
|
二氯甲烷
Dichloromethane
|
NMT 600 ppm
|
Conforms
|
|
【含量测定】Assay
|
按干燥品计算，含C9H12N2O4S不得少于98.5%
C9H12N2O4S NLT 98.5% on dryness basis
|
99.55%
|
|
检验结论
Conclusion
|
本品按企业标准检验，检验结果均符合规定。
It *plies with in-house Specification
|
