Seebio Biotech (Shanghai) Co., Ltd.
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Active ingredients: tea polyphenols /theaflavins
Test method: HPLC/UV
Specification: theaflavins 20%-60%, tea polyphenols20%, tea polyphenols 50%, tea polyphenol 60%, tea polyphenols 70%
Items
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Index
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Heavy metal ppm
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≤10
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As ppm
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≤2
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caffeine %
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≤4.0
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Mesh number
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80
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Packing: 25kg/ paper board barrel,1kg/ aluminum foil bag.
Storage: It should be stored in a dry, cool and ventilated place, light should be avoided.
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Labeyond Chemicals Co.,Ltd.
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1.Appearance
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White crystalline powder
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2. Purity (on dry base ) %
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98.0-102.0
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3. Melting Point ℃
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68-71
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4.Residue on Ignition %
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≤0.05
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5. Acidity ml
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≤0.1
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6.Color of solution
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Passed
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7. Related Substances
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Passed
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8. Heavy Metal (Pb) ppm
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≤10
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9.Loss on drying %
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≤0.5
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10. Organic Volatile Impurities
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Passed
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Organic Volatile Impurities
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Passed
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Applications:mainly used as synthetic intermediates, preservatives and fungicide of medicine, cosmetics files etc. |
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