LY/T 1642-2005Test method for analysis of tannic acid (English PDF)
单宁酸分析试验方法
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Issued by
State Forestry and Grassland Administration
Level / Type
National · Recommended
Issue date
August 16, 2005
Implementation date
December 1, 2005
Scope
LY/T 1642-2005 is the English-translated version of 单宁酸分析试验方法.
LY/T 1642-2005 — This standard specifies the test method for tannic acid analysis. This standard applies to the analysis of the quality of tannic acid products for different uses made from gallnut.
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Document preview — LY/T 1642-2005
National Standard of the People's Republic of China
- ICS
- 65.020
- Classification
- B 72
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the tannic acid analysis of test methods. This standard applies to gall as raw material for different purposes tannins product quality analysis.
Document data
International classification (ICS): 65.020.
Chinese classification (CCS): B72.
Estimated length of the Chinese original: 10,166 words.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 602Chemical reagent - Preparation of standard solutions for impurity determination
- GB/T 603Chemical reagent - Preparations of reagent solutions for use in test methods
- GB/T 6284Chemical products for industrial use - General method for determination of water content - The loss of mass on drying method
- GB/T 6682Water for analytical laboratory use - Specification and test methods
- GB/T 8449Method for determination of lead in food additives
- GB/T 8450Method for determination of arsenic in food additives
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