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YS/T 1047.11-2015 (YST 1047.11-2015)

YS/T 1047.11-2015_English: PDF (YST1047.11-2015)
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YS/T 1047.11-2015English169 Add to Cart Days<=3 Methods for chemical analysis of copper magnetite - Part 11: Determination of magnet iron content - Potassium dichromate titration method YS/T 1047.11-2015 Valid YS/T 1047.11-2015
 

BASIC DATA
Standard ID YS/T 1047.11-2015 (YS/T1047.11-2015)
Description (Translated English) Methods for chemical analysis of copper magnetite. Part 11: Determination of magnet iron content. Potassium dichromate titration method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard D31
Classification of International Standard 73.060.10
Word Count Estimation 7,726
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; GB/T 12805; GB/T 12806; GB/T 12808
Drafting Organization Lianyungang People's Republic of China Exit Inspection and Quarantine; People's Republic of China Bayuquan Exit Inspection and Quarantine; Liaoning Theotokos of coal mine Inspection Limited; Zhongtiaoshan Nonferrous Metals Group Co., Ltd.; Nantong People's Republic of China Exit Inspection and Quarantine; Chinese people's Republic of Ningbo CIQ
Administrative Organization National Non-Ferrous Metals Standardization Technical Committee (SAC/TC 243)
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 measuring the amount of magnetic iron copper magnetite. This Standard applies to the determination of the amount of magnetic iron copper magnetite. Measurement range (mass fraction) of 38.00% ~ 62.00%.

YS/T 1047.11-2015
(Methods for chemical analysis of copper magnetite Part 11. Determination of the amount of magnetic iron dichromate method)
ICS 73.060.10
D31
People's Republic of China Nonferrous Metals Industry Standard
Methods for chemical analysis of copper magnetite
Part 11. Determination of the amount of magnetic iron
Dichromate method
Part 11. Determinationofmagnetironcontent-
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 is Part 11.
This section drafted in accordance with GB/T 1.1-2009 given rules.
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This section is responsible for drafting unit. People's Republic of China Bayuquan Exit Inspection and Quarantine.
This section was drafted by. People's Republic of China Lianyungang Exit Inspection and Quarantine, People's Republic of China Entry-Exit Inspection and Bayuquan
Quarantine Bureau.
Participated in the drafting of this section. Liaoning Theotokos of coal mine Inspection Ltd., Zhongtiaoshan Nonferrous Metals Group Co., Ltd., the Chinese people
Republic Nantong Entry-Exit Inspection and Quarantine, Ningbo People's Republic of China.
Drafters of this section. Xia Xinyuan, Wang Heng, Wang Caiyun, Li Weigang, Zhao Xudong, Pan Guiping, Douhuai Zhi, Shihong Lan, Zhao Xiurong, Liying Min,
Guo, Zhu Xiaoyan.
Methods for chemical analysis of copper magnetite
Part 11. Determination of the amount of magnetic iron
Dichromate method
1 Scope
YS/T 1047 This section specifies the method for measuring the amount of magnetic iron copper magnetite.
This section applies to the determination of the amount of magnetic iron copper magnetite. Measurement range (mass fraction) was 38.00% ~ 62.00%.
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
GB/T 12805 Laboratory glassware Burettes
GB/T 12806 Laboratory glassware single marking flask
GB/T 12808 Laboratory glassware single marking pipette
3 Method summary
The sample was dispersed in water, at (72000 ± 8000) at A/m magnetic field strength, the use of the manual separating magnetic material magnetic separation. Acid-soluble
Magnetic material, separation of copper. With stannous chloride - titanium trichloride reduction, dilute solution of potassium dichromate oxidation of excess reducing agent. Diphenylamine sulfonate as
Indicator, titrate with potassium dichromate sta