YS/T 1028.2-2015 (YS/T1028.2-2015, YST 1028.2-2015, YST1028.2-2015)
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Methods for chemical analysis of lithium iron phosphate. Part 2: Determination of lithium content. Flame photometry
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YS/T 1028.2-2015
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Standards related to: YS/T 1028.2-2015
| Standard ID | YS/T 1028.2-2015 (YS/T 1028.2-2015) | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H71 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 5,534 | | Date of Issue | 2015-04-30 | | Date of Implementation | 2015-10-01 | | Drafting Organization | Bump circulation Guangdong Science and Technology Co., Ltd. | | Administrative Organization | National non-ferrous metals Standardization Technical Committee | | Regulation (derived from) | Ministry of Industry and Information Technology Announcement (2015 No. 28) | | Proposing organization | National Non-Ferrous Metals Standardization Technical Committee (SAC/TC 243) | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | | Summary | This Standard specifies the method for determination of lithium iron phosphate lithium content. This section applies to the determination of lithium iron phosphate lithium content. Measuring range: 3% to 5%. | YS/T 1028.2-2015
Methods for chemical analysis of lithium iron phosphate Part 2. Determination of lithium content Flame photometry.
ICS 77.120.99
H71
People's Republic of China Nonferrous Metals Industry Standard
Methods for chemical analysis of lithium iron phosphate
Part 2. Determination of the amount of lithium
Flame photometry
Part 2. Determinationoflithiumcontent-
Flamephotometry
Issued on. 2015-04-30
2015-10-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
YS/T 1028 "lithium iron phosphate chemical analysis methods," including a total of five sections.
--- Part 1. Determination of total iron content of titanium trichloride reduction dichromate method;
--- Part 2. Determination of the amount of lithium flame photometry;
--- Part 3. Determination of phosphorus content Quinoline phosphomolybdate gravimetric method;
--- Part 4. Determination of carbon content in the high-frequency combustion infrared absorption method;
--- Part 5. calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminum, nickel, cobalt, manganese content - Inductively coupled plasma atomic emission
Spectroscopy.
This section YS/T 1028 Part 2.
This section drafted in accordance with GB/T 1.1-2009 given rules.
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) and focal points.
Drafting this Part. Bump cycle Guangdong Technology Co., Ltd., Sichuan Tianqi Lithium Industry Co., Ltd., Yantai Zhuo cell materials
Limited.
The main drafters of this section. Lichang Dong, Yu Haijun, Xieying Hao, FUNCTIONALIS Yao Li, HE Xia, Li Shi red, wide Yang, Li Jinglan, Songguang Lei.
Methods for chemical analysis of lithium iron phosphate
Part 2. Determination of the amount of lithium
Flame photometry
1 Scope
This section YS/T 1028 specifies the method for determination of lithium iron phosphate lithium content.
This section applies to the determination of lithium iron phosphate lithium content. Measurement range. 3% to 5%.
2 Method summary
Sample was dissolved in hydrochloric acid, insoluble matters were filtered with carbon in the sulfuric acid medium, flame photometric determination of lithium iron phosphate lithium.
3 Reagents
3.1 hydrochloride (11).
3.2 sulfate (11).
3.3 Lithium standard stock solution (1000μg/mL), the nationally recognized standard material sales unit purchased.
3.4 Lithium standard solution (100μg/mL). Pipette lithium 10.00mL standard stock solution (3.3) in 100mL flask, add 2mL
Sulfuric acid (3.2), dilute to the mark and mix.
4 Equipment
Flame photometer.
5 Sample
The sample size should be less than 0.10mm.
Step 6 Analysis
6.1 Sample
Weigh 0.20g sample, accurate to 0.0001g.
6.2 Determination of the number of
Independently measured twice and averaged.
6.3 blank test
Along with sample blank test.
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