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GB/T 32775-2016 PDF English

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GB/T 32775-2016: Testing method of dispersibility for pesticides
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GB/T 32775-2016English109 Add to Cart 3 days [Need to translate] Testing method of dispersibility for pesticides

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Basic data

Standard ID GB/T 32775-2016 (GB/T32775-2016)
Description (Translated English) Testing method of dispersibility for pesticides
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G23
Classification of International Standard 65.100
Word Count Estimation 5,534
Date of Issue 2016-06-14
Date of Implementation 2017-01-01
Quoted Standard GB/T 14825
Regulation (derived from) National Standard Announcement No. 8 of 2016
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
Summary This standard specifies the determination of pesticide dispersibility. This standard is applicable to the determination of dispersibility of water dispersible granules pesticides.

GB/T 32775-2016: Testing method of dispersibility for pesticides


---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.
Testing method of dispersibility for pesticides ICS 65.100 G23 National Standards of People's Republic of China Determination of pesticide dispersibility 2016-06-14 release 2017-01-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Petroleum and Chemical Industry Association. This standard is nationalized by the National Pesticide Standardization Technical Committee (SAC/TC133). This standard is responsible for drafting units. Shenyang Chemical Industry Research Institute Co., Ltd. The standard to participate in the drafting unit. Hefei long easy Agricultural Development Co., Ltd., Shenzhen Connaught letter letter Agricultural Co., Ltd., Shandong Weifang Runfeng Chemical Co., Ltd., Hengshui North Pesticide Chemical Co., Ltd., Shandong billion Jia Agricultural Chemical Co., Ltd., Jiangsu Fengdeng Crop Protection Co., Ltd. Limited the company. The main drafters of this standard. Li Dong, Duan Liangju, Wen Qin, Tang Lili, Xu Shengli, Li Yun, Geng Rongwei. Determination of pesticide dispersibility

1 Scope

This standard specifies the determination of pesticide dispersibility. This standard is applicable to the determination of the dispersibility of pesticides in water dispersible granules.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Method for determination of pesticide suspensions in GB/T

3 test method

3.1 Method Summary A certain amount of water dispersible granules are added to the prescribed water, stirred and mixed to prepare a suspension, and after standing for a period of time, the top 9/10 , The bottom 1/10 suspension and the precipitate were dried and measured by gravimetric method. This method is equivalent to a simplified suspension rate determination method used to determine the dispersion of water dispersible granules in water. 3.2 Reagents and solutions Standard hard water. ρ (Ca2 Mg2) = 342mg/L, pH = 6.0 ~ 7.0, according to GB/T 14825 preparation. 3.3 Instruments Beaker. 1000 mL, inner diameter (102 ± 2) mm. Electric mixer. can control the speed of 0 ~ 1000r/min. Stainless steel stir bar. A propeller stir bar with 4 fixed stirring blades with an angle of 45 ° between the blades. Rotary vacuum evaporator. Stopwatch. Electronic balance. the amount of 0.1g, load 1000g. ...

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