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SPECIFICATION |
STANDARD |
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Identification |
Conform To Standard |
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Appearance |
White Granular |
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Assay |
99.0 ~ 101.0% |
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Free Acid (as SO4) |
1% max |
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Free Alkali (as K2CO3) |
1%max |
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Heavy Metals (as Pb) |
10 Ppm max |
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Arsenic (as As) |
3 Ppm max |
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Loss On Drying |
1.0% max |
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Lead |
2Ppm max |
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Melting Point(As sorbic acid) |
133.0°C-135.0°C |
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Mercury |
1Ppm max |
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Aldehydes |
0.1%max |
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Organic Volatile Impurities |
Meet the requirement |
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Chloride(as CI) |
0.1%max |
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Residual Organic Solvents |
Negative |
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CONCONCLUSION: The above product is in conformity with FCCIV . |
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