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Product name: Food-tannic acid
Molecular formula: C76H52O46
Molecular weight: 1701.18
Structural formula:
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Specification |
Food grade |
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executive standard |
FCC-IV |
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content |
≥93% |
≥96% |
≥98% |
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loss on drying |
≤9% |
≤9% |
≤9% |
|
water insoluble |
≤0.2% |
≤0.1% |
≤0.1% |
|
ignition residue |
≤0.1% |
≤0.1% |
≤0.1% |
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heavy metal |
20ppm |
15ppm |
10ppm |
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arsenic |
＜3ppm |
＜3ppm |
＜3ppm |
|
lead |
＜5ppm |
＜5ppm |
＜5ppm |
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mercury |
＜1ppm |
＜1ppm |
＜1ppm |
|
gallic acid |
≤4% |
≤2.5% |
≤0.75% |
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production scale |
600 T/Y |
300 T/Y |
100 T/Y |
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packing |
Cardboard drum, 25kg/ drum |
Cardboard drum, 25kg/ drum |
Cardboard drum, 25kg/ drum |
Character: This product is light yellow to light brown powder, with special smell and astringent taste. Soluble in 1 part water or ethanol, soluble in acetone, insoluble in chloroform or ether.
Quality indicators: comply with the food and drug administration "Food Chemistry Specification" 5th edition and codex Alimentarius Standard; U.S. Food FC-IV standard.
To use: mainly used in cosmetics, food antioxidants, clarifiers of low alcohol, oil antioxidants, but also used in bromelain food processing and other aspects.
Storage: keep away from moisture and light and store sealed
Packing: cardboard drum for external use, plastic bag for inside, 25kg net per barrel.
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