| ≥1 piece |
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Items
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Specification ( FCCIV )
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|
Description
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White of off white granular
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|
Identification A
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Conforms
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Identification B
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Conforms
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Assay(dry basis)
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9 9 %-101%
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Melting range
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132-135℃
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Loss on drying
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Not more than 0.5 %
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PH-Value
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8.5-10.5(10% water solution)
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Alkalinity(as K 2 CO 3 )
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Conforms
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Acidity(as sorbic acid)
|
Conforms
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Heavy metals(as pb)
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Not more than 10ppm
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Arsenic
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Not more than 2ppm
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lead
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Not more than 2ppm
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Chlorides
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Not more than 180ppm
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Sulfate(as so 4 )%
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Not more than 380ppm
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Organic volatile impurities
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Meet the requirements
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Aldehydes(as formaldehyde)
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Not more than0.1%
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Cadmium
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Not more than 0.02 ppm
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Zinc
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Not more than 0.1 ppm
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Mercury
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Not more than 1 ppm
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Heat resistance
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NO discoloration after heating 90 minutes at 105℃
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Clarity
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Not less than 90%
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