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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 34765-2024: Fertilizers and soil conditioners - Determination of fulvic acid content and carbon coefficient Status: Valid GB/T 34765: Historical versions
Basic dataStandard ID: GB/T 34765-2024 (GB/T34765-2024)Description (Translated English): Fertilizers and soil conditioners - Determination of fulvic acid content and carbon coefficient Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G20 Classification of International Standard: 65.080 Word Count Estimation: 14,121 Date of Issue: 2024-09-29 Date of Implementation: 2025-04-01 Older Standard (superseded by this standard): GB/T 34765-2017 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 34765-2024: Fertilizers and soil conditioners - Determination of fulvic acid content and carbon coefficient---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. Fertilizers and soil conditioners - Determination of fulvic acid content and carbon coefficient Fertilizers and soil conditioners Fulvic acid content and Method for determination of carbon coefficient Fertilizers and soil conditioners - Determination of fulvic acid content and carbon coefficient ICS 65.080 CCS G20 National Standard of the People's Republic of China Replaces GB/T 34765-2017 Released on 2024-09-29 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 34765-2017 "Determination of fulvic acid content from mineral sources". In addition to structural adjustments and editorial changes, the main technical changes are as follows. Changed the scope (see Chapter 1, Chapter 1 of the.2017 edition); - Added the terms and definitions of "mineral source fulvic acid" and "biomass fulvic acid" (see 3.2, 3.3); - Changed the sample preparation (see Chapter 7, 4.4.1 of the.2017 edition); - The determination method of fulvic acid content has been changed (see Chapter 8, Chapter 4 of the.2017 edition); - The determination method of chloride ion content has been changed (see 8.2.3, Appendix A of the.2017 edition); - Changed the calculation basis of the test data from fulvic carbon content to fulvic acid content (see Chapter 9,.2017 Edition) Chapter 5 of); Changed the precision requirements (see Chapter 10, Chapter 6 of the.2017 edition); - Added "Test Report" (see Chapter 11). - Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Fertilizers and Soil Conditioners (SAC/TC 105). This document was drafted by. Shandong Quanlin Group Co., Ltd., Bengbu Xinghe Straw Biotechnology Co., Ltd., Anhui Salt Fertilizer Technology Co., Ltd., Henan Xinlianxin Fertilizer Testing Co., Ltd., Suzhou Juwei Yuanchuang Biotechnology Co., Ltd., Liaoning Putian Technology Co., Ltd., Shandong Agricultural University Fertilizer Technology Co., Ltd., Shanghai Chemical Industry Research Institute Testing Co., Ltd., Shandong Pinbiao Testing and Certification Co., Ltd., Shandong Innovation Fertilizer Technology Co., Ltd. Phytic Acid Technology Co., Ltd., Shenyang Agricultural University, Liaocheng University Dongchang College, Wuhan Heyuan Green Biology Co., Ltd., Angel Fermentation Parent Co., Ltd., Yantai Hongyuan Biofertilizer Co., Ltd., and Sichuan Zhongkang Testing Technology Service Co., Ltd. The main drafters of this document are. Cao Hongyu, Yin Lihua, Ding Fangjun, Zhu Zhili, Zhang Tianyuan, Fu Shifeng, Zhang Hongying, Wei Sujun, Yu Jianmei, Guo Xinsong, Yang Xu, Yan Kun, Li Zhenhua, Wang Jing, Du Maofu, Wang Meng, Liang Siwei, Luo Jiarun, Fan Rong. The previous versions of this document and the documents it replaces are as follows. First published in.2017 as GB/T 34765-2017; - This is the first revision. - Fertilizers and soil conditioners Fulvic acid content and Method for determination of carbon coefficient1 ScopeThis document describes the determination method of fulvic acid content and carbon coefficient, including principle, test steps, test data processing, precision and test results. Inspection report. This document is applicable to the determination of fulvic acid content and carbon coefficient in fertilizers and soil conditioners.2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 6274 Terminology of fertilizers and soil conditioners GB/T 6679 General Rules for Sampling of Solid Chemical Products GB/T 6680 General Rules for Sampling of Liquid Chemical Products GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 38072-2019 Terminology of fulvic acid raw materials and fertilizers HG/T 5938-2021 Determination of chloride ion content in humic acid fertilizers Automatic potentiometric titration method NY/T 887 Determination of density of liquid fertilizers3 Terms and definitionsThe terms and definitions defined in GB/T 6274, GB/T 38072-2019 and the following apply to this document. 3.1 Fulvic acid A group of humic substances with relatively small molecular weight, which can be dissolved in dilute alkaline solution, acid and water, and has aromatic and aliphatic It is an amorphous organic weak acid mixture with various functional group structural characteristics, and its dilute solution is yellow or brownish yellow. Note. According to the type of raw materials, it is divided into mineral source fulvic acid and biomass fulvic acid. [Source. GB/T 38072-2019, 2.1.2, modified] 3.2 Mineral fulvic acid Fulvic acid extracted from organic minerals such as weathered coal, lignite, peat and shale. [Source. GB/T 38072-2019, 2.1.3] 3.3 Bio-fulvic acid Biochemical Fulvic Acid Grain-based waste residue, plant straw, bagasse, sawdust, kitchen waste, and alcohol waste are fermented by microorganisms or chemically processed under high temperature and high pressure conditions. Fulvic acid obtained by the reaction. [Source. GB/T 38072-2019, 2.1.4] ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 34765-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 34765-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 34765-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 34765-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
