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YS/T 358.5-2011 English PDF

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YS/T 358.5-2011: Methods for chemical analysis of tantalite, columbite concentrate. Part 5: Determination of uranium content. Inductively coupled plasma atomic emission spectrometry
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YS/T 358.5-2011English159 Add to Cart 3 days [Need to translate] Methods for chemical analysis of tantalite, columbite concentrate. Part 5: Determination of uranium content. Inductively coupled plasma atomic emission spectrometry Valid YS/T 358.5-2011

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Basic data

Standard ID YS/T 358.5-2011 (YS/T358.5-2011)
Description (Translated English) Methods for chemical analysis of tantalite, columbite concentrate. Part 5: Determination of uranium 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 6,610
Date of Issue 2011-12-20
Date of Implementation 2012-07-01
Older Standard (superseded by this standard) YS/T 358-1994
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 in the uranium content of iron ore concentrate. This standard applies to tantalum iron, determination of the amount of uranium-niobium iron concentrates. Measuring range: 0. 001% to 1. 00%.

YS/T 358.5-2011: Methods for chemical analysis of tantalite, columbite concentrate. Part 5: Determination of uranium content. Inductively coupled plasma atomic emission spectrometry


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Methods for chemical analysis of tantalite, columbite concentrate. Part 5. Determination of uranium content.Inductively coupled plasma emission emission ICS 73.060 D43 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 358-1994 Chemical analysis of tantalum iron and niobium iron concentrates Part 5. determination of uranium content Inductively Coupled Plasma Atomic Emission Spectrometry Methodsforchemicalanalysisoftantalite, columbiteconcentrate- Part 5. Determination ofuraniumcontent- 2011-12-20 release 2012-07-01 Implementation Issued by the Ministry of Industry and Information Technology of the People's Republic of China

Foreword

YS/T 358 "tantalum iron, niobium iron concentrate chemical analysis method" includes 12 parts. - Part 1. Determination of tantalum and niobium content Paper color layer weight method; - Part 2. Determination of titanium dioxide - Amipyridine methane spectrophotometric method; - Part 3. Determination of silicon dioxide - Mo - Mo - blue spectrophotometric and gravimetric methods; - Part 4. Determination of tungsten trioxide - Thiocyanate spectrophotometric method; - Part 5. Determination of uranium content - Inductively coupled plasma - atomic emission spectrometry; - Part 6. Determination of thorium oxide - Inductively coupled plasma - atomic emission spectrometry; - Part 7. Determination of iron content - Inductively coupled plasma - atomic emission spectrometry; - Part 8. Determination of iron content - Potassium dichromate titration; - Part 9. Determination of antimony content - Inductively coupled plasma - atomic emission spectrometry; - Part 10. Determination of tin content Potassium iodate titration; - Part 11. Determination of manganese content - Atomic absorption spectroscopy; - Part 12. Determination of wet water content - Weight method. This part is part 5 of YS/T 358. This part replaces YS/T 358-1994 "Chemical analysis of tantalum iron and niobium iron concentrate" (formerly YB874-76) Part VI " Determination of uranium content (ammonium vanadate volumetric method) ". The main changes in this part compared with YS/T 358-1994 are as follows. Inductively Coupled Plasma Emission Spectrometry Instead of Ammonium Vanadate Volumetric Method. This part is the national nonferrous Metals Standardization Technical Committee (SAC/TC243). This part of the drafting unit. Ganzhou Nonferrous Metallurgy Research Institute, Jiujiang tantalum and niobium limited liability company, Conghua tantalum and niobium smelter. This part of the main drafters. Pan Jianzhong, Liu Bo Lu, Li Ying, Song Jinhua, Huang Shuang, Wang Jing, Jiang Tengrong. This part of the previous version of the standard to replace the release of the situation. YB874-76, YS/T 358-1994. Chemical analysis of tantalum iron and niobium iron concentrates Part 5. determination of uranium content Inductively Coupled Plasma Atomic Emission Spectrometry

1 Scope

This method specifies the determination method of uranium content in tantalum iron and niobium iron concentrate. This method is applicable to the determination of uranium content in tantalum iron and niobium iron concentrate. The measurement range is 0.001% to 1.00%.

2 method summary

The sample was decomposed with sulfuric acid-ammonium sulfate. In the dilute acid medium, argon plasma was used as the ionization source, and the inductively coupled plasma was directly applied Determination of radio spectrum.

3 reagent

3.1 ammonium sulfate. 3.2 Sulfuric acid (ρ1.84g/mL). 3.3 Hydrochloric acid (ρ1.19g/mL). 3.4 hydrochloric acid lotion (1 49). 3.5 Uranium standard storage solution. Weigh 0.1179g of uranium octaoxide (pure spectrum) in a 250mL beaker, add 10mL hydrochloric acid (3.3) And 0.5 mL of hydrogen peroxide (30%) were dissolved by heating, cooled, and fixed in a 1000 mL volumetric flask with hydrochloric acid (19), and the solution was mixed with 1 mL Equivalent to 0.1 mg uranium. 3.6 argon w (Ar) ≥99.99%.

4 instruments

Inductively Coupled Plasma Atomic Emission Spectrometer. Resolution < 0.006nm (at.200nm).

5 samples

5.1 Specimen size less than 0.074mm. 5.2 samples in 105 ℃ ~ 110 ℃ pre-bake 2h, placed in a dryer to cool to room temperature.

6 Analysis steps

6.1 samples Weigh 0.10g of sample (5), accurate to 0.0001g.

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