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GB/T 35107-2017: Determination of soluble humic acid content for mineral humic acid fertilizers
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Determination of soluble humic acid content for mineral humic acid fertilizers
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GB/T 35107-2017
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Basic data | Standard ID | GB/T 35107-2017 (GB/T35107-2017) | | Description (Translated English) | Determination of soluble humic acid content for mineral humic acid fertilizers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G20 | | Classification of International Standard | 65.080 | | Word Count Estimation | 6,656 | | Date of Issue | 2017-12-29 | | Date of Implementation | 2018-07-01 | | Regulation (derived from) | National Standards Bulletin 2017 No. 32 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 35107-2017: Determination of soluble humic acid content for mineral humic acid fertilizers---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Determination of soluble humic acid content for mineral humic acid fertilizers
ICS 65.080
G20
National Standards of People's Republic of China
Mineral source humic acid fertilizer soluble
Determination of humic acid content
2017-12-29 Posted
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard proposed by the China Petroleum and Chemical Industry Federation.
This standard by the National Fertilizer and Soil Conditioning Standardization Technical Committee (SAC/TC105) centralized.
This standard was drafted unit. Liaoning Academy of Agricultural Sciences, Shanghai Tianke Chemical Testing Co., Ltd., Liaoning Provincial Institute of Standardization, Liaoning Putian
Technology Co., Ltd., Shenyang Agricultural University.
The main drafters of this standard. Hao Xiaoli, Wang, Shang Zhao Cong, Zou Deyi, Zhou Yanming, Guo Shu Li, Cao Hongyu, Zhang Meili, Zhang Xin, Wang Ying,
Yan Qiao Yue, Xu Shiming.
Mineral source humic acid fertilizer soluble
Determination of humic acid content
1 Scope
This standard specifies the method of determination of soluble humic acid in mineral-derived humic acid fertilizers.
This standard applies to the determination of soluble humic acid in mineral-derived humic acid fertilizers, also applies to mineral sources of humic acid soluble decay
Determination of acid content, the results of carbon content.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
HG/T 2843 chemical analysis of fertilizer products commonly used standard titration solution, standard solution, reagent solution and indicator solution
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Humic acid humic acid
Humic substances in the larger molecular weight, with aromatic, aliphatic and a variety of functional groups structural features, soluble in dilute alkali solution, insoluble
Acid and water, black or brown black amorphous organic weak acid mixture.
3.2
Mineral source humic acid mineralhumicacids
Humus acids extracted from weathered coal, lignite, peat and other organic minerals.
3.3
Mineral source humic acid fertilizer mineralhumicacidfertilizers
The weathered coal, lignite, peat and other minerals with chemical base extract or activated by humic acid, humic acid as the main raw material, and fertilizer
The compound, mixed with a certain amount of nutrients made of fertilizer.
3.4
Humic acid humate
Humic acid-containing soluble salts made of humic materials with alkaline substances.
3.5
Soluble humic acid solublehumicacid
Mineral-derived humic acid fertilizers and humic acid products in aqueous solution of ionic humic acid. Soluble humic acid is a measure of humic acid fertilizer
The main quality indicators of materials and humic acid products.
4 test methods
Warning Reagents of potassium dichromate solution with strong oxidizing, sulfuric acid, sulfuric acid solution and sodium hydroxide solution corrosive, related operations
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