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項(xiàng)目Items
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指標(biāo)Specifications
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外觀Appearance
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微黃色結(jié)晶粉末slightly yellowish crystallinepowder
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含量Content
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98% min
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熔點(diǎn)Melting point
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151℃一155℃
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灼燒殘?jiān)?span>Residue on ignition
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0.1% max
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干燥失重Loss on drying
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0.5% max
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重金屬Heavy metals
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0.002% max
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砷鹽Arsenic
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0.0002% max
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氯化物Chloride
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0.02% max
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鐵鹽Iron
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0.001% max
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透明性Clarity of solution
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無(wú)色透明 colorless and transparent
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