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YS/T 358.7-2011 English PDF

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YS/T 358.7-2011: Methods for chemical analysis of tantalite, columbite concentrate. Part 7: Determination of iron content. Inductively coupled plasma atomic emission spectrometry
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YS/T 358.7-2011English159 Add to Cart 3 days [Need to translate] Methods for chemical analysis of tantalite, columbite concentrate. Part 7: Determination of iron content. Inductively coupled plasma atomic emission spectrometry Valid YS/T 358.7-2011

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Basic data

Standard ID YS/T 358.7-2011 (YS/T358.7-2011)
Description (Translated English) Methods for chemical analysis of tantalite, columbite concentrate. Part 7: Determination of iron content. Inductively coupled plasma atomic emission spectrometry
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard D43
Classification of International Standard 73.060
Word Count Estimation 6,613
Date of Issue 2011-12-20
Date of Implementation 2012-07-01
Regulation (derived from) ?MIIT Announcement 2011 No.43
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the tantalum iron, determination of niobium iron content of iron ore. This method is suitable for tantalum iron, determination of niobium in the iron content of iron ore. Measuring range of 0. 50% to 20. 00%.

YS/T 358.7-2011: Methods for chemical analysis of tantalite, columbite concentrate. Part 7: Determination of iron content. Inductively coupled plasma atomic emission spectrometry


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Methods for chemical analysis of tantalite, columbite concentrate.Part 7. Determination of iron content.Inductively coupled plasma atomic emission spectrometry ICS 73.060 D43 People's Republic of China Nonferrous Metals Industry Standard Iron, tantalum, niobium chemical analysis of iron ore Part 7. Determination of iron content Inductively Coupled Plasma Atomic Emission Spectrometry Methodsforchemicalanalysisoftantalite, columbiteconcentrate- Part 7. Determinationofironcontent- Issued on. 2011-12-20 2012-07-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 358 "iron tantalum, niobium, iron ore chemical analysis method" includes 12 parts. --- Part 1. tantalum, niobium determining the amount of the paper color layer weight method; --- Part 2. Determination of titanium dioxide content of the double security for DAM spectrophotometry; --- Part 3. Determination of silicon dioxide content and weight of molybdenum blue spectrophotometric method; --- Part 4. Determination of tungsten trioxide content of thiocyanate spectrophotometric method; --- Part 5. uranium content - Inductively coupled plasma atomic emission spectrometry; --- Part 6. thorium oxide content - Inductively coupled plasma atomic emission spectrometry; --- Part 7. Determination of iron content by inductively coupled plasma atomic emission spectrometry; --- Part 8. Determination of the amount of ferrous dichromate method; --- Part 9. Determination of antimony content by inductively coupled plasma atomic emission spectrometry; --- Part 10. Determination of tin content potassium iodate titration; --- Part 11. Determination of the amount of manganese atomic absorption spectrometry; --- Part 12. Determination of hygroscopic water gravimetric method. This section YS/T Section 7358 of. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is drafted. Ganzhou Nonferrous Metallurgy Research Institute, Jiujiang Tantalum Niobium limited liability company, Conghua Tantalum-Niobium smelter. The main drafters of this section. Liu Hong, Li Ying, Song Jinhua, double yellow, Wang Jing. Iron, tantalum, niobium chemical analysis of iron ore Part 7. Determination of iron content Inductively Coupled Plasma Atomic Emission Spectrometry

1 Scope

This method specifies iron tantalum, niobium determination of iron content in iron ore concentrate. This method is suitable for iron, tantalum, niobium, iron ore concentrate iron contents. Determination of the range of 0.50% to 20.00%.

2 Method summary

Sample decomposition with molten potassium pyrophosphate, oxalate complex in sulfuric acid medium, ionized argon plasma source, direct inductive coupling Plasma Atomic Emission Spectrometry.

3 Reagents

3.1 potassium pyrosulfate. 3.2 sulfate (19). 3.3 oxalic acid solution. 50g of oxalic acid dissolved in 1000mL sulfuric acid (3.2) in. 3.4 iron standard stock solution. Weigh 1.0000g metal wire [w (Fe) ≥99.95%, before use wipe the surface oxide layer], to 250mL Beaker, 120mL of hydrochloric acid (11), set in boiling water to dissolve completely cooled and transferred to the bath 1000mL volumetric flask, diluted with water to the mark Degree, and mix. 1mL of this solution is equivalent to 1mg iron. 3.5 iron standard solution. Pipette 10.00mL iron standard stock solution (3.4) in 100mL flask with hydrochloric acid (119) was diluted to the mark Degree, and mix. 1mL of this solution is equivalent to 100μg iron. 3.6 Argon w (Ar) ≥99.99%.

4 Instrument

Inductively coupled plasma atomic emission spectroscopy. Resolution < 0.006nm (200nm office).

5 Sample

5.1 Sample size of less than 0.074mm. 5.2 sample was pretreated at 105 ℃ ~ 110 ℃ drying 2h, placed in a desiccator to cool to room temperature. Step 6 Analysis 6.1 Sample Table 1. Weigh the sample (5), accurate to 0.0001g.

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