GB/T 37918-2019 English PDF

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GB/T 37918-2019: Fertilizer grade potassium chloride
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37918-2019	279	Add to Cart	3 days	Fertilizer grade potassium chloride	Valid

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Basic data

Standard ID: GB/T 37918-2019 (GB/T37918-2019)
Description (Translated English): Fertilizer grade potassium chloride
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G21
Classification of International Standard: 65.080
Word Count Estimation: 14,117
Date of Issue: 2019-08-30
Date of Implementation: 2020-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37918-2019: Fertilizer grade potassium 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.
Fertilizer grade potassium chloride ICS 65.080 G21 National Standards of People's Republic of China Fertilizer grade potassium chloride Published on.2019-08-30 2020-03-01 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 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 (SAC/TC105). This standard was drafted. Shanghai Chemical Research Institute Co., Ltd., Qinghai Salt Lake Industry Co., Ltd., Meisheng Agricultural Resources (Beijing) Co., Ltd. Division, Shanghai Chemical Industry Testing Co., Ltd. The main drafters of this standard. Shang Zhaocong, Xie Kangmin, Ren Ruizhen, Zhang Zhitao, Wang Shijun, Huang Heqing, Tian Hongbin, Qu Xiaorong, He Yuan, Wu Hao. Fertilizer grade potassium chloride

1 Scope

This standard specifies the terms and definitions of fertilizer grade potassium chloride, product classification, requirements, test methods, inspection rules, marking, packaging, transportation. And storage. This standard applies to fertilizer grade potassium chloride products produced by various types of potassium-containing brines and potassium-containing salt mines according to various processes.

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. GB/T 2440-2017 Urea 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 10454 container bag GB 18382 Fertilizer identification content and requirements Determination of particle size of GB/T 24891 compound fertilizer HG/T 2843 chemical fertilizer product chemical analysis commonly used standard titration solution, standard solution, reagent solution and indicator solution Determination of water insoluble matter content and pH value of water soluble fertilizer in NY/T 1973

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Average dominant particle sizeguidenumber; SGN After sieving, the average particle size between the two test sieves of the material with a mass fraction of 50% or more reflects the dominant particle size of the material. size. Note. SGN values for different fertilizer granules are generally between 280 and 340. 3.2 Uniformity index uniformity; UI An index that reflects the uniformity of the particle size of the material. The larger the value, the better the uniformity. Note. A UI value of at least 40 is acceptable; when blending different materials, the difference in UI values should not exceed 15%.

4 Product Categories

The products are divided into two types. powder crystal and granular, each of which is classified into type I, type II and type III. ......

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