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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 35996-2018 English PDF

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GB/T 35996-2018: Rapid determination of eight elements content for phosphate rock and concentrate -- X-ray fluorescence spectrometry
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 35996-2018	English	199	Add to Cart	3 days [Need to translate]	Rapid determination of eight elements content for phosphate rock and concentrate -- X-ray fluorescence spectrometry	Valid	GB/T 35996-2018

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Basic data

Standard ID	GB/T 35996-2018 (GB/T35996-2018)
Description (Translated English)	Rapid determination of eight elements content for phosphate rock and concentrate -- X-ray fluorescence spectrometry
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D51
Classification of International Standard	73.080
Word Count Estimation	10,130
Date of Issue	2018-03-15
Date of Implementation	2018-10-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 35996-2018: Rapid determination of eight elements content for phosphate rock and concentrate -- X-ray fluorescence spectrometry

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Rapid determination of eight elements content for phosphate rock and concentrate--X-ray fluorescence spectrometry ICS 73.080 D51 National Standards of People's Republic of China Phosphorus ore and phosphorus concentrate in eight elements Rapid determination of X-ray fluorescence spectrometry Published by.2018-03-15 2018-10-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the 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 is proposed by China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the Chemical Industry Standardization Technical Committee. This standard is mainly drafted by. Yunnan Phosphor Chemical Group Co., Ltd., China Blue Lianhai Design & Research Institute, Qifu (Group) Co., Ltd., Lake Peking University Sankou Chemical Co., Ltd., Lianyungang Entry-Exit Inspection and Quarantine Bureau. Drafters of this standard. Li Yaoji, Zhang Xiaomei, Feng Xiaojun, Zhang Hui, Yang Hong, Ling Huchang Jin, Jiang Zhensheng, Wang Heng. Phosphorus ore and phosphorus concentrate in eight elements Rapid determination of X-ray fluorescence spectrometry Warnings - Persons using this standard should have practical experience in regular laboratory work. This standard does not suggest all possible safety issues. question. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national laws and regulations.

1 Scope

This standard specifies the determination of eight elements of phosphorus, magnesium, iron, aluminum, silicon, calcium, potassium and sodium in phosphate ore concentrates by X-ray fluorescence spectrometry. content. This standard applies to the determination of phosphorus, magnesium, iron, aluminum, silicon, calcium, potassium and sodium in the phosphate ore concentrates. Determination of each element The range (expressed as oxide) is shown in Table 1. Table 1 Determination range of each element Component determination range/% P2O5 2.00~37.00 MgO 0.20~16.00 Fe2O3 0.50~5.00 Al2O3 0.50~7.00 SiO2 3.00~40.00 CaO 19.00~52.00 K2O 0.10~3.00 Na2O 0.050~1.00

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 version (including all amendments) applies to this document. GB/T 1868 Phosphate rock and phosphate concentrate sampling and sample preparation method GB/T 1875 Determination of ignition loss in phosphate rock and phosphate concentrates GB/T 8170 Representation and Determination of Numerical Rounding Rules and Limit Values General principles of JY/T 016 wavelength dispersive X-ray fluorescence spectrometry

3 Principle

The sample was melted at 1050°C with a mixed flux of lithium tetraborate and lithium metaborate to prepare a glass fuse, which was measured by X-ray fluorescence spectrometry. The fluorescence X-ray intensity of each element to be measured. According to the quantitative relationship between the fluorescence X-ray intensity of the test element and the content of the test element,

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