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GB/T 31266-2014 English PDF

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GB/T 31266-2014: Determination of chloral content for superphosphate
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Basic data

Standard ID GB/T 31266-2014 (GB/T31266-2014)
Description (Translated English) Determination of chloral content for superphosphate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G20
Classification of International Standard 65.080
Word Count Estimation 6,632
Date of Issue 12/5/2014
Date of Implementation 2/7/2015
Quoted Standard HG/T 2843
Regulation (derived from) Announcement of Newly Approved National Standards 2014 No. 27
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 method for the determination of chloral content of superphosphate. This Standard applies to the determination of chloral SSP content.

GB/T 31266-2014: Determination of chloral content for superphosphate

---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 chloral content for superphosphorate ICS 65.080 G20 National Standards of People's Republic of China Determination of chloral SSP content Issued on. 2014-12-05 2015-02-07 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the national fertilizer and soil conditioner compound fertilizer Standardization Technical Committee Technical Committee (SAC/TC105/SC3) Centralized. This standard was drafted. Shanghai Branch days Chemical Co., detection, Yuntianhua International Chemical Co., Ltd., Yunnan Province Chemical Industry Research Institute. The main drafters. Zhang Ming, Tsai Hung, Guisu Ping, Lin Jian, Chen Meng, Li Zhou Wenjun high. Determination of chloral SSP content

1 Scope

This standard specifies the method for the determination of chloral SSP content. This standard applies to the determination of chloral SSP content.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. HG/T 2843 fertilizer products chemical analysis commonly used in standard titration solution, standard solution, reagent solution and indicator solution Test Method 3 Warning. isopropanol flammable reagents, chloral with a pungent odor, test personnel should be suitably guarded. This standard does not indicate All possible security issues, users have the responsibility to take appropriate safety and health practices and to ensure compliance with relevant national regulations condition. This standard is used in the preparation of reagents, water and a solution, in the specifications and method of preparation is not specified, it shall comply with the provisions of HG/T 2843's. 3.1 Principle Samples of chloral with isopropanol extraction, gas chromatography, Micro-Electron Capture Detector (ECD) for testing. 3.2 Reagents 3.2.1 isopropanol, pesticide grade. 3.2.2 chloral standard solution, 0.5mg/mL. Weigh 0.0500g equivalent chloral chloral hydrate (accurate to 0.0002g), Dissolved in isopropanol, transferred to a 100mL volumetric flask, dilute to the mark with isopropanol, shake. 3.2.3 High-purity nitrogen. 3.3 Instrument 3.3.1 General laboratory equipment. 3.3.2 oscillator. 3.3.3 syringe filter. Preparation of the organic phase membrane pore size of 0.45μm. 3.3.4 Gas chromatograph. with Micro-Electron Capture Detector. 3.3.5 Micropipettes. 20μL ~ 200μL, 100μL ~ 1000μL. 3.4 Analysis Steps 3.4.1 preparation of standard solution Pipette 0μL respectively, 100μL, 200μL, 400μL, 800μL chloral standard solution in 50mL volumetric flask, dilute with isopropanol Diluted to the mark, shake, isopropyl alcohol standard solution of chloral series, the concentration of this standard solution were 0μg/mL, 1μg/mL,

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