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檢驗(yàn)標(biāo)準(zhǔn)
Specification
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企業(yè)標(biāo)準(zhǔn)
In-house
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檢驗(yàn)項(xiàng)目
Test Items
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標(biāo)準(zhǔn)規(guī)定
Specification
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檢驗(yàn)結(jié)果
Results
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【性狀】Description
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外觀
Appearance
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白色結(jié)晶性粉末
White crystalline powder
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白色結(jié)晶性粉末
White crystalline powder
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熔點(diǎn)
Melting Point
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192℃~196℃，熔融時(shí)分解
Degradation on Melting
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194.5℃
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比旋度
Specific Rotation
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-149°~-151°（Water，C=0.1）
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-150.2°
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【鑒別】Identification
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A. 化學(xué)鑒別Chemical
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應(yīng)呈正反應(yīng)
Positive reaction
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呈正反應(yīng)
Positive reaction
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B. 化學(xué)鑒別Chemical
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應(yīng)呈正反應(yīng)
Positive reaction
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呈正反應(yīng)
Positive reaction
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C. IR鑒別Infrared
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應(yīng)與對(duì)照?qǐng)D譜（光譜圖集693）一致
Should correspond to RS
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符合規(guī)定
Conforms
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【檢查】Test
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酸度Acidity
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pH between 2.0 and 3.0( 2.5mg/ml)
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2.55
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有 關(guān) 物 質(zhì)
Related Substance
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NMT 1.0%
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0.35%
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干 燥 失 重
Loss on Drying
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NMT 0.5%
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0.21%
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熾 灼 殘 渣
Residue on ignition
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NMT 0.1%
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Conforms
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重 金 屬
Heavy metal
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NMT 10ppm
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Conforms
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殘留溶劑 Residual Solvent
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甲醇 Methanol
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NMT 3000ppm
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Conforms
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二氯甲烷
Dichloromethane
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NMT 600 ppm
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Conforms
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【含量測(cè)定】Assay
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按干燥品計(jì)算，含C9H12N2O4S不得少于98.5%
C9H12N2O4S NLT 98.5% on dryness basis
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99.55%
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檢驗(yàn)結(jié)論
Conclusion
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本品按企業(yè)標(biāo)準(zhǔn)檢驗(yàn)，檢驗(yàn)結(jié)果均符合規(guī)定。
It *plies with in-house Specification
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