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SN/T 2763.2-2012: Chemical analysis of laterite nickel ore. Part 2: Determination of nickel and cobalt content. Flame atomic absorption spectrometry
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2763.2-2012 | English | 319 |
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Chemical analysis of laterite nickel ore. Part 2: Determination of nickel and cobalt content. Flame atomic absorption spectrometry
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SN/T 2763.2-2012
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Basic data | Standard ID | SN/T 2763.2-2012 (SN/T2763.2-2012) | | Description (Translated English) | Chemical analysis of laterite nickel ore. Part 2: Determination of nickel and cobalt content. Flame atomic absorption spectrometry | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | D40 | | Classification of International Standard | 73.060.99 | | Word Count Estimation | 12,155 | | Quoted Standard | GB/T 6379.2; GB/T 6682; GB/T 7728; GB/T 12805; GB/T 12806; GB/T 12808 | | Regulation (derived from) | National Quality Inspection (2012) 237; industry standard filing Notice 2012 No. 9 (Total No. 153); | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the flame atomic absorption spectrometry nickel laterite nickel, cobalt approach. This standard applies to nickel laterite nickel and cobalt content. Measuring range (mass fraction): 0. 1% to 3% Ni, 0. 01% to 0. 2% cobalt. | SN/T 2763.2-2012: Chemical analysis of laterite nickel ore. Part 2: Determination of nickel and cobalt content. Flame atomic absorption spectrometry
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Chemical analysis of laterite nickel ore.Part 2. Determination of nickel and cobalt content.Flame atomic absorption spectrometry
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Methods for chemical analysis of nickel laterite ore
Determination of nickel, cobalt content. Part 2
Flame Atomic Absorption Spectrometry
Part 2. Determinationofnickelandcobaltcontent-
Issued on. 2012-05-07
2012-11-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 2763 "Methods for chemical analysis of nickel laterite ore" is divided into three parts.
--- Part 1. X-ray fluorescence spectrometry;
--- Part 2. nickel, cobalt content - Flame atomic absorption spectrometry;
--- Part 3. Determination of total iron content of titanium oxide reduction.
This section SN/T 2763 "Methods for chemical analysis of nickel laterite ore," Part 2.
This section drafted in accordance with GB/T 1.1-2009 given rules.
The section under the jurisdiction of the State Certification and Accreditation Administration Committee.
This section is drafted. Tianjin People's Republic of China Exit Inspection and Quarantine.
The main drafters of this section. Wei Hongbing, Wang Hong, Yang Lifei, Su Mingyue, Gu Songhai, from Madrid, Feng Yuxin.
Methods for chemical analysis of nickel laterite ore
Determination of nickel, cobalt content. Part 2
Flame Atomic Absorption Spectrometry
Warning. Use of this section shall be a person experiences regular laboratory work. This section does not indicate that all possible security issues.
Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant state laws and regulations.
1 Scope
SN/T 2763 This section specifies the method of flame atomic absorption spectrometry laterite nickel ore nickel, cobalt content.
This section applies to the determination of nickel laterite nickel, cobalt content. Measurement range (mass fraction). 0.1% to 3% of nickel, 0.01% cobalt ~
0.2%.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) Part 2 is repeated to determine the standard measurement method
And reproducibility of the basic method (ISO 5725-2)
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/T 7728 Methods for chemical analysis of metallurgical products by Flame Atomic Absorption Spectrometry General
GB/T 12805 Laboratory glassware Burettes
GB/T 12806 Laboratory glassware single marking flask
GB/T 12808 Laboratory glassware single marking pipette
Principle 3
Sample with hydrofluoric acid, aqua regia, perchloric acid decomposition with hydrochloric acid dissolved salts in hydrochloric acid medium, using air - acetylene flame atomic absorption
On a take-spectrometer, nickel at a wavelength of 232.0nm or 352.5nm at cobalt measured at a wavelength at 240.7nm.
4 Reagents
Unless otherwise indicated, the reagents used were of analytical grade reagent water to comply with two water GB/T 6682 regulations.
4.1 hydrochloric acid (ρ = 1.19g/mL).
4.2 nitric acid (ρ = 1.42g/mL).
4.3 Hydrofluoric acid (ρ = 1.15g/mL).
4.4 perchloric acid (ρ = 1.67g/mL).
4.5 sulfate (ρ = 1.84g/mL).
4.6 aqua regia. hydrochloric acid (4.1) nitrate (4.2) = (31), using now.
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