Hunan Linong Technology Trade Co., Ltd.

manufacture(2)
manufacture factory(2)

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pyrogallic acid
Specification: Conform to the American
Detail: Specification Index name Industrial grade Analytical reagent (A.R) Chemically pure reagent (C.R) Appearance: white powder white powder white powder Content: not less than 99.20% not ...

tannic acid (food grade)
Specification: conform to U.S. Food and Drug Administration as
Detail: Specification: Content: not less than 92% Loss on weight: not more than 9.0% Loss on drying: not more than 1.0% Pesticides: 3PPM max Heavy metal: not more than 0.002% Application: used in preserving agents and antioxida...

tannic acid
Specification: conform to National Standard GB5308-85
Detail: Tannic acid (Industrial Grade) Specification: Content: not less than 81% Loss on weight: not more than 9.0% Color: not more than 2.0 Application: used as preservative and antifoulant in industry, as additive and filler i...

gallic acid
Specification: conform to the requirements of European-93(Class-1), Japan JIS (
Detail: Grade standard: Industrial Grade Specification Content: not less than 99% Sulfates: not more than 10PPM Water-soluble test: clear and tran***rent Loss on drying: not more than 10% Residue on ignition: not more than 0.1% ...

gallic acid
Specification: meeting the requirements of european-93(1-class)standards
Detail: gallic acid chemical name : 3,4,5-trihydroxybenzoic acid. Molecular formula : (ho)3c6h2cooh.h2o. Molecular weight : 188.13. Property : a white or pale colored crystalline powder. Dissolve in 85 parts of water, 6 parts alcohol,...


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