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GB/T 17413.3-2010Methods for chemical analysis of lithium, rubidium and cesium ores - Part 3: Determination of cesium content (English PDF)

锂矿石、铷矿石、铯矿石化学分析方法第3部分：铯量测定

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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 17413.3-2010 is the English-translated version of 锂矿石、铷矿石、铯矿石化学分析方法第3部分：铯量测定.

GB/T 17413.3-2010 is the Chinese standard "Methods for chemical analysis of lithium, rubidium and cesium ores - Part 3: Determination of cesium content". Its scope clause reads: GB/T 17413 provisions of this part of lithium ore, ore rubidium, cesium ores Determination of amount of cesium oxide ores.

This section applies to lithium ore, ore rubidium, cesium ore minerals, but also for tantalum, niobium, cesium oxide ore and the determination of the amount of rare earth mineral.

Measuring range. 10µg/g ~ 1.0 × 104µg/g of cesium oxide. Its clauses include reagents.

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Document preview — GB/T 17413.3-2010

National Standard of the People's Republic of China

ICS: 73.060
Classification: D 43
Replacing: GB/T 17413.3-1998

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
4 Reagents
4.2 sulfate (11)
4.3 potassium chloride solution rho (K2O) = 30mg/mL

1 Scope

GB/T 17413 provisions of this part of lithium ore, ore rubidium, cesium ores Determination of amount of cesium oxide ores.

This section applies to lithium ore, ore rubidium, cesium ore minerals, but also for tantalum, niobium, cesium oxide ore and the determination of the amount of rare earth mineral.

Measuring range. 10µg/g ~ 1.0 × 104µg/g of cesium oxide.

2 Normative references

The following documents contain provisions which, through GB/T 17413 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 hydrofluoric acid, sulfuric acid decomposition of the samples contained traces of cesium oxide, the dispensing part extract separation with ammonia and ammonium carbonate, iron and aluminum

An alkaline earth metal; cerium oxide samples containing higher amounts of directly dispensing the extract, then adding a certain amount of potassium as deionization agent, in 1% sulfuric acid medium

Quality, and on the atomic absorption spectrophotometer, at a wavelength of 852.1nm, using air - acetylene flame measured absorbance or cerium oxide emission intensity

Degrees, calculate the amount of cesium oxide.

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

Hydrofluoric acid (rho1.13g/mL). WARNING. Hydrofluoric acid is toxic and corrosive, the operation should wear gloves to prevent skin contact

4.2 sulfate (11)

Warning. When diluted improper operation could easily cause burns

4.3 potassium chloride solution rho (K2O) = 30mg/mL

Take 47.49g potassium chloride (KCl) in a beaker, dissolved in water and transferred to 1000mL capacity

Volumetric flask, dilute to the mark, shake.

4.4

Aqueous ammonia (11).

4.5

ammonium carbonate solution [rho (NH4HCO3 NH2COONH4) = 100g/L].

4.6

ammonium carbonate solution [rho (NH4HCO3 NH2COONH4) = 10g/L].

Cesium oxide 4.7 Standard solution.

a) cerium oxide standard stock solution. Weigh 0.5974g spectroscopically pure cesium chloride (105 °C bake 2h and placed in the dryer to cool to room

Temperature) in 250mL beaker, add water, dissolved and transferred to 1000mL volumetric flask, dilute to the mark, shake. This solution

Cerium oxide concentration was 0.50mg/mL;

b) cerium oxide standard solution. Pipette 25.00mL cesium oxide standard stock solution [4.7a)], set 500mL flask with water

Dilute to the mark. Cerium oxide concentration of the solution was 25.00µg/mL.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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Editions of GB/T 17413.3

Edition	Title	Revision	Status
GB/T 17413.3-2010	Methods for chemical analysis of lithium, rubidium and cesium ores - Part 3: Determination of cesium content	current edition	Current
GB/T 17413.3-1998	Methods for chemical analysis of lithium, rubidium and cesium ores - Part 3: Determination of cesium content	previous edition	Superseded

This page sells the current edition, GB/T 17413.3-2010. Earlier editions are listed for reference only.

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