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GB 12686-2004Glyphosate acid technical material (English PDF)

草甘膦原药

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Level / Type

National · Mandatory

Issue date

December 29, 2017

Implementation date

July 1, 2018

Scope

GB 12686-2004 is the English-translated version of 草甘膦原药.

GB 12686-2004 — This standard specifies the requirements of the original glyphosate, test methods and signs, labels, packaging, storage and acceptance period. This standard applies to glyphosate and its production of impurities in the composition of the original glyphosate.

Note. Other names, structural formulas, and basic physico-chemical parameters of glyphosate and nitroso-glyphosate are given in Appendix A.

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Document preview — GB 12686-2004

National Standard of the People's Republic of China

ICS: 65.100.20
Classification: G 25
Replacing: GB/T 12686-2004

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Foreword
1 Scope
2 Normative references
3 Requirements
3.1 Appearance
3.2 Specifications
4 Test methods

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 12686-2004 "glyphosate original drug", compared with GB/T 12686-2004, the main technical changes are as follows.

--- Formaldehyde by the mass fraction of not more than 0.8g/kg revised to not more than 1.2g/kg;

--- Nitrosylation of glyphosate by strong anion exchange method to derivatization of the reversed-phase liquid chromatography.

This standard proposed by the China Petroleum and Chemical Industry Federation.

This standard by the National Standardization Technical Committee of pesticides (SAC/TC133) centralized.

This standard was drafted unit. Zhejiang Xin'an Chemical Group Co., Ltd., Jiangxi Jinlong Chemical Co., Ltd., Nantong Jiangshan pesticide chemical stocks Co., Ltd., Anhui Huaxing Chemical Co., Ltd., Leshan Fuhua Tongda Pesticide Technology Co., Ltd., Hubei Taisheng Chemical Co., Ltd.

Company, Zhenjiang Jiangnan Chemical Co., Ltd., Sichuan Huaying Chemical Co., Ltd., Jiangsu Good Harvest Wayne Agrochemical Co., Ltd., Guangxi Engineering Research Institute, Sanonda Co., Ltd., Shandong Weifang Runfeng Chemical Co., Ltd., Zhejiang Jinfan Biochemical Co., Ltd., Shenyang Chemical Research Institute Co., Ltd.

1 Scope

This standard specifies the requirements of the original glyphosate, test methods and signs, labels, packaging, storage and acceptance period.

This standard applies to glyphosate and its production of impurities in the composition of the original glyphosate.

Note. Other names, structural formulas, and basic physico-chemical parameters of glyphosate and nitroso-glyphosate are given in Appendix A.

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.

GB/T 685 chemical reagent formaldehyde solution GB/T 1604 commodity pesticide acceptance rules Commercial pesticides sampling method GB 3796 Pesticide packaging General Laboratory use specifications and test methods for analysis GB/T 6682-2008 Representation and determination of rules for repair of numerical values and limit values GB/T 8170-2008

3 Requirements

3.1 Appearance

White powder.

3.2 Specifications

The original glyphosate should also meet the requirements of Table 1.

Table 1 glyphosate original drug control project indicators

Project Indicators

Glyphosate mass fraction /% >= 95.0 Formaldehyde mass fraction/(g/kg) <= 1.2 Nitroso glyphosate mass fraction a/(mg/kg) <= 1.0 Sodium hydroxide insoluble matter a/(g/kg) <= 0.2 a normal production, nitroso-glyphosate mass fraction, sodium hydroxide insoluble at least once every 3 months.

4 Test methods

Safety Tips. The use of this standard staff should have practical experience in laboratory work. This standard does not point out all the safety issues. Make

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 10 pages — is available in the English PDF.

Referenced standards

Normative references

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