HG/T 5937-2021Rapid determination of humic acid and fulvic acid content (English PDF)
腐植酸与黄腐酸含量的快速 测定方法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 2, 2021
Implementation date
April 1, 2022
Scope
HG/T 5937-2021 is the English-translated version of 腐植酸与黄腐酸含量的快速 测定方法.
A rapid method for determining humic acid and fulvic acid content is set out in HG/T 5937-2021, a recommended Chinese chemical industry standard. It specifies the procedure for the quick determination of total humic acid, soluble humic acid, free humic acid and fulvic acid in raw and starting materials that contain these substances. The standard is intended for determining humic acid and fulvic acid content in raw materials within a company's own production process. It was issued on 2 December 2021 by the Ministry of Industry and Information Technology and took effect on 1 April 2022.
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Document preview — HG/T 5937-2021
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
1 Scope
This standard specifies the rapid determination method of humic acid and fulvic acid content. This standard is applicable to the rapid determination of the content of total humic acid, soluble humic acid, free humic acid and fulvic acid in raw materials and raw materials containing humic acid and fulvic acid. It can be widely used in the determination of humic acid and fulvic acid content in raw materials and raw materials in the internal production process of enterprises.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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