GB/T 2946-2018 English PDF

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GB/T 2946-2018: Ammonium chloride
Status: Valid

GB/T 2946: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2946-2018	419	Add to Cart	4 days	Ammonium chloride	Valid
GB/T 2946-2008	759	Add to Cart	4 days	Ammonium chloride	Obsolete
GB/T 2946-1992	599	Add to Cart	4 days	Ammonium chloride	Obsolete

Similar standards

GB/T 15063   GB/T 17420   GB/T 2440   GB/T 2945   

Basic data

Standard ID: GB/T 2946-2018 (GB/T2946-2018)
Description (Translated English): Ammonium chloride
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G21
Classification of International Standard: 65.080
Word Count Estimation: 21,232
Date of Issue: 2018-05-14
Date of Implementation: 2018-12-01
Older Standard (superseded by this standard): GB/T 2946-2008
Regulation (derived from): National Standards Announcement No. 6 of 2018
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 2946-2018: Ammonium chloride

---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.
(Ammonium chloride) ICS 65.080 G21 National Standards of People's Republic of China Replace GB/T 2946-2008 Ammonium chloride Published on.2018-05-14 2018-12-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 2946-2008 "ammonium chloride", and the main technical changes compared with GB/T 2946-2008 are as follows. --- Increased the limit requirements for arsenic, cadmium, lead, chromium, mercury and their compounds for agricultural ammonium chloride (see Table 2); --- Adjusted the nitrogen content of agricultural ammonium chloride, moisture, granularity of granular products and sodium salt requirements (see Table 2); --- Increase the average crushing force requirements of granular ammonium chloride for agricultural use (see Table 2); --- The maximum batch size of the product is adjusted from 500t to 1000t (see 6.2); --- Added tons of bag packaging specifications (see 8.2). This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Fertilizer and Soil Conditioning Standardization Technical Committee Nitrogen Fertilizer Subcommittee (SAC/TC105/SC2). This standard was drafted. Dahua Group Co., Ltd., Jiangsu Huachang Chemical Co., Ltd., Shanghai Chemical Research Institute Co., Ltd. Hubei Shuanghuan Technology Co., Ltd., Jiangxi Jinlida Potash Co., Ltd. The main drafters of this standard. Fang Peng, Wang Fuhang, Hu Bo, Zhao Chen, Li Yuanhai, Zhou Hongcai, Wang Hong, Ji Min, Liang Tinggang, Song Cuidan, Zhao Jiachun. This standard was first published in March 1982, first revised in June.1992, and second revised in December.2008. Ammonium chloride

1 Scope

This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, and transportation of industrial ammonium chloride and ammonium chloride for agriculture. Loss and storage. This standard applies to agricultural ammonium chloride used as a fertilizer produced by various processes, and used for dry batteries, electroplating, dyeing, precision casting Other aspects of industrial ammonium chloride. Molecular formula. NH4Cl Relative molecular mass. 53.49 (according to.2016 international relative atomic mass)

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. Determination of ammonia nitrogen content in GB/T 3600 fertilizers GB/T 6679 Solid Chemical Products Sampling General GB/T 6682 Analytical laboratory water specifications and test methods GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 8569 solid chemical fertilizer packaging GB/T 8572 Compound fertilizers - Determination of total nitrogen content Determination of free water content in GB/T 8577 compound fertilizers Karl Fischer method GB/T 10209.4 Determination of monoammonium phosphate and diammonium phosphate - Part 4 GB 18382 Fertilizer identification content and requirements GB/T 23349 Fertilizers arsenic, cadmium, lead, chromium, mercury ecological indicators HG/T 2843 Chemical analysis of chemical fertilizer products commonly used standard titration solution, standard solution, reagent solution and indicator solution

3 Product Categories

Divided into industrial ammonium chloride and agricultural ammonium chloride.

4 requirements

4.1 Appearance. white crystalline or granular product. 4.2 Industrial ammonium chloride should meet the requirements of Table 1, and should also meet the value indicated in the packaging bag. 4.3 Ammonium chloride for agricultural use shall comply with the requirements of Table 2 and shall comply with the values indicated in the packaging bag. ......

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