GB/T 11064.10-2013 PDF English
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Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride -- Part 10: Determination of chloride content -- Silver chloride nephelometry method
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| GB/T 11064.10-1989 | English | 199 |
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Lithium carbonate and lithium hydroxide monohydrate--Determination of chloride content--Mercurmetric method
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GB/T 11064.10-2013: PDF in English (GBT 11064.10-2013) GB/T 11064.10-2013
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.120.99
H 64
Replacing GB/T 11064.10-1989
Methods for chemical analysis of lithium
carbonate, lithium hydroxide monohydrate and
lithium chloride -
Part 10. Determination of chloride content -
Silver chloride nephelometry method
ISSUED ON. NOVEMBER 27, 2013
IMPLEMENTED ON. AUGUST 01, 2014
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Method Summary... 5
3 Reagents ... 5
4 Instrumentation ... 6
5 Samples ... 6
6 Analysis Steps ... 6
7 Calculation of Analysis Results ... 7
8 Precision ... 8
9 Test report ... 8
Foreword
GB/T 11064 “Methods for chemical analysis of lithium carbonate, lithium hydroxide
monohydrate and lithium chloride” is divided into 16 parts.
- Part 1. Determination of lithium carbonate content - Acid-alkali titrimetric method;
- Part 2. Determination of lithium hydroxide content - Acid-alkali titrimetric method;
- Part 3. Determination of lithium chloride content - Potentiometric method;
- Part 4. Determination of potassium and sodium content - Flame atomic
absorption spectrometric method;
- Part 5. Determination of calcium content - Flame atomic absorption spectrometric
method;
- Part 6. Determination of magnesium content - Flame atomic absorption
spectrometric method;
- Part 7. Determination of iron content - 1,10-phenanthroline spectrophotometric
method;
- Part 8. Determination of silicon content - Molybdenum blue spectrophotometric
method;
- Part 9. Determination of sulfate content - Barium sulfate nephelometry method;
- Part 10. Determination of chloride content - Silver chloride nephelometry method;
- Part 11. Determination of Acid-insolubles Content - Gravimetric method;
- Part 12. Determination of carbonate content - Determination of lithium chloride
content - Potentiometric method;
- Part 13. Determination of aluminum content - Chromazurol S-cetylpyridine
bromide spectrophotometric method;
- Part 14. Determination of arsenic content - Molybdenum blue spectrophotometric
method;
- Part 15. Determination of fluoride content - Ion selective method;
- Part 16. Determination of calcium, magnesium, copper, lead, zinc, nickel,
manganese, cadmium and aluminum content - Inductively coupled plasma
atomic emission spectrometry.
This Part is part 10 of GB/T 11064.
This Part is drafted in accordance with rules given in GB/T 1.1-2009.
The Part replaces GB/T 11064.10-1989 "Lithium carbonate and lithium hydroxide
monohydrate - Determination of chloride content - Mercurimetric method".
Compared with GB/T 11064.10-1989, the main changes of this Part are as follows.
- ADD the repeatability terms;
- RE-EDIT the text format; ADD the test report.
This Part shall be under the jurisdiction of National Standardization Technical
Committee of Nonferrous Metals (SAC/TC 243).
Drafting organizations of this Part. Xinjiang Research Institute of Non ferrous Metals,
Ganzhou Non-ferrous Metallurgy Research Institute, and Sichuan Tianqi Lithium
Industries Co., Ltd.
The main drafters of this Part. Guan Yuzhen, Kang Zeyan, Ye Chunsheng, Yang Feng,
Liu Hong, Gou Haixia, Luo Yuping, and Zhang Xianghong.
The historical version replaced by this Part is as follows.
- GB/T 11064.10-1989.
Methods for chemical analysis of lithium carbonate,
lithium hydroxide monohydrate and lithium chloride -
Part 10. Determination of chloride content -
Silver chloride nephelometry method
1 Scope
This Part of GB/T 11064 specifies the determination method of chloride content in lithium
carbonate, in lithium hydroxide monohydrate, and in lithium chloride.
This Part applies to the determination of chloride content in lithium carbonate, in lithium
hydroxide monohydrate, and in lithium chloride. The determination range.
0.0010%~0.10%.
2 Method Summary
In nitric acid media, chloride ions and silver ions produce insoluble silver chloride. During
a certain period of time, the silver chloride appears in suspension. Determine its
absorbance at the 420nm wavelength of a spectrophotometer; obtain the chlorine content.
3 Reagents
Unless otherwise specified, the reagent used in this Part is guaranteed reagent, and the
water used in this Part is the secondary deionized water.
3.1 Nitric acid (1+1).
3.2 Nitric acid (9+16).
3.3 Silver nitrate solution (0.1mol/L). weigh 17.0g of silver nitrate into a beaker. Add water
to dissolve it. Transfer the mixture to a 1,000mL brown flask. Drop-add nitric acid (3.1) to
make the solution to be transparent. Dilute it with water to the scale; shake it up; store it in
a dark place.
3.4 Sodium hydroxide solution (100g/L). weigh 10g of sodium hydroxide into a 250mL
plastic beaker. Add 100mL of de-carbonated water to dissolve it; then store it in a plastic
bottle.
3.5 Ascorbic acid solution (25g/L), analytical reagent, prepared when it is used.
- Sample;
- The number of this Part national standard;
- Analysis result and its expression;
- Difference with the basic analysis step;
- Anomalies observed in the determination;
- Determination date.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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