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YS/T 1047.8-2015 (YST 1047.8-2015)

YS/T 1047.8-2015_English: PDF (YST1047.8-2015)
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YS/T 1047.8-2015English189 Add to Cart Days<=3 Methods for chemical analysis of copper magnetite. Part 8: Determination of silicon dioxide content. Gravimetric method YS/T 1047.8-2015 Valid YS/T 1047.8-2015
 

BASIC DATA
Standard ID YS/T 1047.8-2015 (YS/T1047.8-2015)
Description (Translated English) Methods for chemical analysis of copper magnetite. Part 8: Determination of silicon dioxide content. Gravimetric method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard D31
Classification of International Standard 73.060.10
Word Count Estimation 8,838
Date of Issue 2015-04-30
Date of Implementation 2015-10-01
Quoted Standard GB/T 6682; GB/T 6730.3; GB/T 10322.1
Drafting Organization People Republic of China Bayuquan Entry - Exit Inspection and Quarantine Bureau
Administrative Organization National Standardization Technical Committee for Nonferrous Metals
Regulation (derived from) Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies) Ministry of Industry and Information Technology of the People's Republic of China
Summary This Standard specifies the method for the determination of silicon dioxide content of copper magnetite. This Standard applies to the determination of copper in the amount of silica in magnetite. Measurement range (mass fraction) of 7.00% ~ 26.00%.

YS/T 1047.8-2015
(Copper magnetite chemical analysis - Part 8. silicon dioxide content - Gravimetric method)
ICS 73.060.10
D31
People's Republic of China Nonferrous Metals Industry Standard
Methods for chemical analysis of copper magnetite
Part 8. silicon dioxide content - Gravimetric method
Part 10. Determinationofsilicondioxidecontent-Gravimetricmethod
Issued on. 2015-04-30
2015-10-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
YS/T 1047-2015 "Methods for chemical analysis of copper magnetite" is divided into 11 sections.
--- Part 1. Determination of copper content of 2,2'-quinoline spectrophotometry and flame atomic absorption spectrometry;
--- Part 2. Determination of total iron content of dichromate method;
--- Part 3. Copper and iron - Determination of the amount of sodium thiosulfate titration;
--- Part 4. Determination of the amount of sulfur by high frequency combustion infrared absorption spectroscopy;
--- Part 5. Determination of phosphorus content titration;
--- Part 6. copper, total iron, silica, alumina, calcium oxide, magnesium oxide, titanium oxide, manganese and phosphorus contents - wave
Long-dispersive X-ray fluorescence spectrometry;
--- Part 7. copper, manganese, aluminum, calcium, magnesium, titanium and phosphorus content - Inductively coupled plasma atomic emission spectrometry.
--- Part 8. silicon dioxide content - Gravimetric method;
--- Part 9. Determination of metallic iron content of sulfonic acid spectrophotometry;
--- Part 10. Determination of the amount of ferrous oxide dichromate method;
--- Part 11. Determination of the amount of magnetic iron dichromate method.
This section section 8.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is drafted by. People's Republic of China Bayuquan Exit Inspection and Quarantine.
This section is drafted. Beijing General Research Institute of Mining and Metallurgy.
Participated in the drafting of this section. Chinalco Luoyang Copper Co., Ltd., Shandong Fangyuan Nonferrous Metals Corporation, People's Republic of China Lianyun
Port of Entry-Exit Inspection and Quarantine Nantong People's Republic of China, People's Republic of China Ningbo Entry-Exit Inspection and
Quarantine Bureau.
This section drafters. Mary, Sue spring, Yaoqiao Ping, Wu Quan ink, Xia Xinyuan, Douhuai Zhi, Wengdong Hai, Huang Chendong, Linyou Bin, Wang Heng,
Dingju Xiang, Zhu Xiaoyan.
Methods for chemical analysis of copper magnetite
Part 8. silicon dioxide content - Gravimetric method
1 Scope
YS/T 1047 This section specifies the method for the determination of silicon dioxide content of copper magnetite.
This section applies to the determination of silicon dioxide content of copper magnetite. Measurement range (mass fraction) 7.00% - 26.00%.
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.
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 6730.3 chemical analysis of iron gravimetric method for the determination of hygroscopic moisture in analytical samples
GB/T 10322.1 iron ore sampling and sample preparation methods
3 Method summary
Sample decomposition with hydrochloric acid, filtered, and the residue was neutralized with sodium carbonate - potassium carbonate - boric acid flux melt, dilute hydrochloric acid leaching, combined with the main solution was evaporated
Salt to the wet form. In concentrated hydrochloric acid was added to make silicone glue cohesion, filtered silicon molybdenum blue spectrophotometric determination of silicon dioxide filtrate
the amount. After precipitation with hydrochloric acid burning - in addition to boron ethanol, and then calcined to constant weight. With hydrofluoric acid, sulfuric acid treatment, the silicon to form silicon tetrafluoride Plaza, burning to