YS/T 1047.3-2015 (YS/T1047.3-2015, YST 1047.3-2015, YST1047.3-2015)
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Methods for chemical analysis of copper magnetite. Part 3: Determination of copper and iron contents. Sodium hyposulfite titration
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YS/T 1047.3-2015
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Standards related to: YS/T 1047.3-2015
| Standard ID | YS/T 1047.3-2015 (YS/T1047.3-2015) | | Description (Translated English) | Methods for chemical analysis of copper magnetite. Part 3: Determination of copper and iron contents. Sodium hyposulfite titration | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | D31 | | Classification of International Standard | 73.060.10 | | Word Count Estimation | 8,876 | | Date of Issue | 2015-04-30 | | Date of Implementation | 2015-10-01 | | Quoted Standard | GB/T 6379.2; GB/T 6682; GB/T 6730.3; GB/T 10322.1; GB/T 12805; GB/T 12806; GB/T 12808 | | 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 determination of copper and iron in copper magnetite. This standard is applicable to the rapid determination of copper content and iron content in copper magnetite. The range of copper content is 0.10% ~ 2.50%, and the range of iron content is 38.00% ~ 62.00%. | YS/T 1047.3-2015
Methods for chemical analysis of copper magnetite - Part 3. Determination of copper and iron contents-Sodium hyposulfite titration
ICS 73.060.10
D31
People's Republic of China Nonferrous Metals Industry Standard
Methods for chemical analysis of copper magnetite
Part 3. the amount of copper and iron contents -
Sodium thiosulfate titration
Part 3. Determinationofcopperandironcontents-
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 3.
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 Bayuquan Exit Inspection and Quarantine, People's Republic of China Entry-Exit Inspection and Nantong
Quarantine Bureau.
Participated in the drafting of this section. Dongying Fangyuan Nonferrous Metals Co., Ltd., Beijing General Research Institute of Mining and Metallurgy, Yanggu Yoshimitsu Copper Co., Ltd.,
Exit Inspection and Quarantine of the People's Republic of Lianyungang, Baiyin Nonferrous Group AG.
Drafters of this section. Plasture Jiang Xiaoguang, Douhuai Zhi, Wang Caiyun, Dingju Xiang, Wu silent spring, Li Min, Shi Hui, million pairs, Qin Lijun, LITERATURE,
And LI Xian, Wang Dongzhen, Linyou Bin.
Methods for chemical analysis of copper magnetite
Part 3. the amount of copper and iron contents -
Sodium thiosulfate titration
1 Scope
YS/T 1047 This section specifies the amount of copper and iron determination of the amount of copper magnetite.
This section applies to the rapid determination of the amount of copper and copper magnetite iron content. Copper content measurement range (mass fraction) 0.10% - 2.50%;
Iron content 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.
GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat
Of the basic methods of reproduction
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
Sample decomposition by hydrochloric acid and nitric acid, hydrofluoric acid after waving silicon ammonium acetate, ammonium hydrogen fluoride mask iron ions, the pH of the solution was adjusted
Between 3.0 to 4.0, by iodometric titration method to copper; copper in the solution after titration, an excess of aluminum chloride solution to release the masked
Iron with hydrochloric acid to adjust the pH value between 1.2 to 2.2, by iodometric titration iron.
4 Reagents
Unless otherwise stated, use only in the analysis confirmed analytically pure reagents and in line with two water GB/T 6682 regulations.
4.1 ferric oxide. reference reagents.
4.2 potassium iodide.
4.3 anhydrous sodium carbonate.
4.4 sodium bicarbonate.
4.5 hydrochloric acid (ρ = 1.19g/mL).
4.6 hydrochloride (11).
4.7 nitric acid (ρ = 1.42g/mL).
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