GB/T 17417.2-2010Method for chemical analysis of rare earth ores - Part 2: Determination of scandium content (English PDF)
稀土矿石化学分析方法 第2部分：钪量测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 10, 2010
Implementation date
February 1, 2011
Scope
GB/T 17417.2-2010 is the English-translated version of 稀土矿石化学分析方法 第2部分：钪量测定.
GB/T 17417.2-2010 is the Chinese standard "Method for chemical analysis of rare earth ores - Part 2: Determination of scandium content". Its scope clause reads: GB/T 17417 provisions of this part of the determination of the amount of rare earth mineral of scandium.
This section applies to the rare earth ore, also applies to beryllium ore, lithium, rubidium, cesium minerals, zirconium ores and rocks Determination of scandium content, the results of three oxygen Scandium content of two represented.
Measuring range. 0.2µg/g ~ 500µg/g of scandium oxide. Its clauses include reagents; instruments.
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Document preview — GB/T 17417.2-2010
National Standard of the People's Republic of China
- ICS
- 73.060.99
- Classification
- D 43
- Replacing
- GB/T 17417.2-1998
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 4 Reagents
- 5 Instruments
1 Scope
GB/T 17417 provisions of this part of the determination of the amount of rare earth mineral of scandium.
This section applies to the rare earth ore, also applies to beryllium ore, lithium, rubidium, cesium minerals, zirconium ores and rocks Determination of scandium content, the results of three oxygen
Scandium content of two represented.
Measuring range. 0.2µg/g ~ 500µg/g of scandium oxide.
2 Normative references
The following documents contain provisions which, through GB/T 17417 in this part of the reference in terms of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
Laboratory use specifications and test methods GB/T 6682 Analysis
Principle 3
Sample after oxidation of the molten sodium, extracted with water, after clarification and filtration, dissolve the precipitate with hydrochloric acid solution by inductively coupled plasma volume after
Body emission spectrometer scandium content.
4 Reagents
Unless otherwise indicated in the analysis are consistent with the use of analytical reagents and GB/T 6682 water analytical laboratory.
4.1
sodium peroxide.
4.2
NaOH wash (20g/L).
4.3
hydrochloride (rho1.19g/mL).
4.4
hydrochloride (11).
4.5
hydrochloric acid (149).
4.6
Scandium standard solution.
a) Scandium standard solution. Weigh 50.0mg scandium oxide (mass fraction >=99.99%) in 100mL beaker, add 10mL
Hydrochloric acid (4.3), dissolved by heating, 250mL flask was cooled transferred, supplemented with 20mL of hydrochloric acid (4.3), cooled to room temperature. Water
Dilute to the mark. The concentration of the solution of scandium oxide was 200.00µg/mL;
b) scandium calibration solution I. lessons 25.00mL Scandium standard solution [efficiency 4.6A)], placed in 250mL volumetric flask, washed with hydrochloric acid (19) diluted
Release to the mark. The concentration of the solution of scandium oxide was 20.00µg/mL;
c) scandium calibration solution II. lessons 25.00mL scandium calibration solution I [4.6b)], set 250mL flask with hydrochloric acid (19)
Dilute to the mark. The concentration of the solution of scandium oxide was 2.00µg/mL.
5 Instruments
5.1
sequential scan inductively coupled plasma emission spectrometer with liquid injection atomizing device, a computer control and data processing systems.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 17417.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 17417.2-2010 | Method for chemical analysis of rare earth ores - Part 2: Determination of scandium content | current edition | Current |
| GB/T 17417.2-1998 | Method for chemical analysis of rare earth ores - Part 2: Determination of scandium content | previous edition | Superseded |
This page sells the current edition, GB/T 17417.2-2010. Earlier editions are listed for reference only.
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Related Standards
GB/T 17417.1-1998 — Method for chemical analysis of rare earth ores--Determination of separated rare earth content--Preconcentration and separation by cation exchange resin, ICP-AES method
GB/T 17417.1-2010 — Method for chemical analysis of rare earth ores - Part 1: Determination of rare earths
GB/T 17417.2-1998 — Method for chemical analysis of rare earth ores--Determination of scandium content--ICP-AES method
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