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GB/T 14352.19-2021: Methods for chemical analysis of tungsten ores and molybdenum ores - Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content - Inductively coupled plasma atomic emission spectrometry
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Methods for chemical analysis of tungsten ores and molybdenum ores - Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content - Inductively coupled plasma atomic emission spectrometry
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GB/T 14352.19-2021
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Basic data | Standard ID | GB/T 14352.19-2021 (GB/T14352.19-2021) | | Description (Translated English) | Methods for chemical analysis of tungsten ores and molybdenum ores - Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content - Inductively coupled plasma atomic emission spe | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D40 | | Word Count Estimation | 14,166 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 14352.19-2021: Methods for chemical analysis of tungsten ores and molybdenum ores - Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content - Inductively coupled plasma atomic emission spectrometry
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Methods for chemical analysis of tungsten ores and molybdenum ores - Part 19.Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content - Inductive-coupled plasma atomic emission spe
ICS 73.060
D40
National Standards of People's Republic of China
Chemical analysis methods of tungsten ore and molybdenum ore
Part 19.Bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus,
Determination of lead, strontium, vanadium and zinc content inductive coupling
Plasma atomic emission spectrometry
Released on 2021-03-09 Implemented on 2021-10-01
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Principle 1
4 Reagent 2
5 Apparatus and equipment 3
6 Sample 3
7 Analysis step 3
7.1 Sample size 3
7.2 Blank test 3
7.3 Verification test 3
7.4 Decomposition of the sample 4
7.5 Preparation of calibration solution series 4
7.6 Determination 4
7.7 Drawing the calibration curve 4
8 Calculation of results 5
8.1 Calculation of analysis results 5
8.2 Interference correction 5
9 Precision and accuracy 5
10 Quality Assurance and Control 5
Appendix A (informative appendix) Reference operating conditions of the instrument and determination of interfering elements 7
Appendix B (informative appendix) Precision and accuracy summary table 9
Foreword
GB/T 14352 "Methods for Chemical Analysis of Tungsten Ore and Molybdenum Ore" has 22 parts, including 25 chemical analyses of 34 elements
method.
---Part 1.Determination of tungsten content;
---Part 2.Determination of the amount of molybdenum;
---Part 3.Determination of copper content;
---Part 4.Determination of lead content;
---Part 5.Determination of zinc content;
---Part 6.Determination of cadmium content;
---Part 7.Determination of the amount of cobalt;
---Part 8.Determination of nickel content;
---Part 9.Determination of Sulfur Content;
---Part 10.Determination of arsenic content;
---Part 11.Determination of the amount of bismuth;
---Part 12.Determination of silver content;
---Part 13.Determination of tin content;
---Part 14.Determination of Gallium Content;
---Part 15.Determination of Germanium Content;
---Part 16.Determination of selenium content;
---Part 17.Determination of the amount of tellurium;
---Part 18.Determination of rhenium content;
---Part 19.Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content inductively coupled plasma atomic emission
Spectroscopy;
---Part 20.Determination of niobium, tantalum, zirconium, hafnium and 15 rare earth elements by inductively coupled plasma mass spectrometry;
---Part 21.Determination of Arsenic Content Hydride Generation-Atomic Fluorescence Spectrometry;
--- Part 22.Determination of the amount of antimony hydride generation-atomic fluorescence spectrometry.
This part is Part 19 of GB/T 14352.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part was proposed by the Ministry of Natural Resources of the People's Republic of China.
This part is under the jurisdiction of the National Standardization Technical Committee for Natural Resources and Land and Space Planning (SAC/TC93).
Drafting unit of this section. Jiangsu Geological Survey Research Institute.
The main drafters of this section. Cai Yuman, Huang Guangming, Qiao Aixiang, Xiao Ling, Gao Xiaoli, Tang Zhiyun, Jiang Ye, Zhang Peixin, Changqing.
Chemical analysis methods of tungsten ore and molybdenum ore
Part 19.Bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus,
Determination of lead, strontium, vanadium and zinc content inductive coupling
Plasma atomic emission spectrometry
1 Scope
This part of GB/T 14352 specifies the determination of bismuth, cadmium, cobalt, and cobalt in tungsten ores and molybdenum ores by inductively coupled plasma atomic emission spectrometry.
Copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content.
This part is applicable to inductively coupled plasma with bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content in tungsten ores and molybdenum ores
Simultaneous determination by atomic emission spectrometry.
The detection limits and measurement ranges of each element of this method are shown in Table 1.
Table 1 The detection limit and measurement range of each element are in micrograms per gram.
Element detection limit detection range Element detection limit detection range
Bismuth 18.8 60~10000 Nickel 2.7 25~1250
Cadmium 1.42 10~2500 Phosphorus 8.3 30~7500
Cobalt 1.43 10~2500 Lead 17.9 60~7500
Copper 5.88 30~20000 Strontium 2.23 10~2500
Iron a 0.012 0.04~10 Vanadium 7.32 30~6250
Lithium 1.49 10~2500 Zinc 8.27 30~6250
a The iron content is expressed in %.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 14505 General rules and general regulations of rock and ore chemical analysis methods
3 Principle
The sample is dissolved in hydrochloric acid, nitric acid, hydrofluoric acid and perchloric acid to prepare a sample solution. Using inductively coupled plasma as an ion source,
After the product solution is introduced into the atomization system by the carrier gas (argon) for atomization, it enters the axial channel of the plasma in the form of aerosol.
The atmosphere is fully evaporated, atomized, ionized and excited, emitting the characteristic spectral lines of the contained elements. According to the intensity of the characteristic spectrum, the calibration curve is used
The linear method quantitatively determines the mass fraction of the analytical elements in the solution.
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