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GB/T 20406-2017 English PDF

US$279.00 · In stock
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GB/T 20406-2017: Potassium sulfate for agricultural use
Status: Valid

GB/T 20406: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 20406-2017	English	279	Add to Cart	3 days [Need to translate]	Potassium sulfate for agricultural use	Valid	GB/T 20406-2017
GB 20406-2006	English	399	Add to Cart	3 days [Need to translate]	[GB/T 20406-2006] Potassium sulfate for agricultural use	Obsolete	GB 20406-2006

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Basic data

Standard ID	GB/T 20406-2017 (GB/T20406-2017)
Description (Translated English)	Potassium sulfate for agricultural use
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G21
Classification of International Standard	65.080
Word Count Estimation	14,188
Date of Issue	2017-12-29
Date of Implementation	2018-07-01
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

GB/T 20406-2017: Potassium sulfate for agricultural use

---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.
Potassium sulfate for agricultural use ICS 65.080 G21 National Standards of People's Republic of China Replacing GB/T 20406-2006 Agricultural potassium sulfate 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 20406-2006 "agricultural potassium sulfate." The main differences between this standard and GB/T 20406-2006 are. --- The original standard water salt system technology agriculture with potassium sulfate requirements and non-salt water system process agriculture with potassium sulfate requirements combined For agricultural use of potassium sulfate requirements; --- Increasing the sulfur content requirements and testing methods. This standard proposed by the China Petroleum and Chemical Industry Federation. This standard by the National Fertilizer and Soil Conditioning Standardization Technical Committee potash fertilizer Technical Committee (SAC/TC105/SC4) centralized. This standard was drafted. National Fertilizer Quality Supervision and Inspection Center (Shanghai), SDIC Xinjiang Lop Nur potash limited liability company. The main drafters of this standard. Business Photo Cong, Lei Guangyuan, Shu Yao Gao, He Yongfeng, Qi Xinyu, Shi Rong, Liu Yun. This standard replaces the standards previously issued as follows. --- GB/T 20406-2006. Agricultural potassium sulfate

1 Scope

This standard specifies the requirements of agricultural potassium sulfate, test methods, inspection rules, labeling, packaging, transportation and storage. This standard applies to all kinds of solid agricultural production with potassium sulfate.

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 6003.1 Test sieve - Technical requirements and testing - Part 1. Wire braid test sieve GB/T 6679 General rules for sampling solid chemical products Representation and determination of rules for repair of numerical values and limit values GB/T 8170-2008 GB/T 8569 solid chemical fertilizer packaging GB 18382 fertilizer labeling content and requirements HG/T 2843 chemical analysis of fertilizer products commonly used standard titration solution, standard solution, reagent solution and indicator solution

3 requirements

3.1 Appearance. powder crystals or particles, no mechanical impurities. 3.2 Agricultural potassium sulfate products should meet the requirements of Table 1, at the same time should be consistent with the marked value. Table 1 Agricultural potassium sulfate requirements project Powder crystal granular First-class products First-class products Qualified products You qualified products Water soluble potassium oxide (K2O) mass fraction /% ≥ 52 50 45 50 45 Sulfur (S) mass fraction /% ≥ 17.0 16.0 15.0 16.0 15.0 Chloride ion (Cl-) mass fraction /% ≤ 1.5 2.0 2.0 1.5 2.0 Moisture a (H2O) mass fraction /% ≤ 1.0 1.5 2.0 1.5 2.5 Free acid (H2SO4) mass fraction /% ≤ 1.0 1.5 2.0 2.0 2.0 Particle size b (particle size 1.00mm ~ 4.75mm or 3.35mm ~ 5.60mm) /% ≥ - - - 90 90 a moisture to the manufacturer's factory inspection data shall prevail. b on the particle size has special requirements, according to the agreement between the supply and demand sides.

4 test methods

The reagents used in this standard, the preparation of water and solution, did not specify the specifications and preparation methods, according to the provisions of HG/T 2843 preparation.

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