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SN/T 4682-2016: Determination of cobalt, iron, nickel, manganese and copper content in cobalt concentrate--Inductively coupled plasma atomic emission spectrometric method
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Determination of cobalt, iron, nickel, manganese and copper content in cobalt concentrate--Inductively coupled plasma atomic emission spectrometric method
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SN/T 4682-2016
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Basic data | Standard ID | SN/T 4682-2016 (SN/T4682-2016) | | Description (Translated English) | Determination of cobalt, iron, nickel, manganese and copper content in cobalt concentrate--Inductively coupled plasma atomic emission spectrometric method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | D42 | | Word Count Estimation | 10,115 | | Date of Issue | 2016-12-12 | | Date of Implementation | 2017-07-01 | | Regulation (derived from) | State-Quality-Inspection-Accredidation (2016) No.590 | | Issuing agency(ies) | General Administration of Customs | SN/T 4682-2016: Determination of cobalt, iron, nickel, manganese and copper content in cobalt concentrate--Inductively coupled plasma atomic emission spectrometric method
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(Determination of cobalt, iron, nickel, manganese and copper in cobalt concentrates - Inductively coupled plasma atomic emission spectrometry)
People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard
Determination of cobalt, iron, nickel, manganese and copper in cobalt concentrate
Inductively coupled plasma atomic emission spectrometry
Released on December 12,.2016
2017-07-01 implementation
People's Republic
The General Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the National Certification and Accreditation Administration.
This standard was drafted. Hunan Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Hainan Entry-Exit Inspection of the People's Republic of China
Epidemic situation.
The main drafters of this standard. Lu Xiaoyuan, Peng Ding, Wu Tianliang, Liu Zhenghua, Yang Wanqi, He Peng, Xiao Jiayong, Li Hui.
Determination of cobalt, iron, nickel, manganese and copper in cobalt concentrate
Inductively coupled plasma atomic emission spectrometry
1 Scope
This standard specifies the determination of cobalt, iron, nickel, manganese and copper in cobalt concentrate by inductively coupled plasma atomic emission spectrometry (ICP-AES).
Methods.
This standard applies to the determination of cobalt, iron, nickel, manganese and copper in cobalt concentrate. The measurement range of each element is shown in Table 1.
Table 1 % of each element measurement range
Element determination range (mass fraction)
Cobalt 0.50~40.00
Iron 0.25~25.00
Nickel 0.05~5.00
Manganese 0.05~5.00
Copper 0.05~10.00
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
Preparation of standard solution for GB/T 602 chemical reagent impurity determination
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 14260 bulk heavy non-ferrous metal flotation concentrate sampling, sample preparation rules
3 Method summary
After the sample is dissolved in hydrochloric acid, nitric acid and hydrofluoric acid in a microwave digestion apparatus or directly by wet method, add chloric acid and smoke to catch hydrofluoric acid.
Acid-dissolved salts, added to the internal standard, diluted by dilute volume and determined by inductively coupled plasma atomic emission spectrometry, according to the working curve
Determine the content of each element.
4 reagents and materials
Unless otherwise stated, only approved analytically pure and above reagents and secondary water in accordance with GB/T 6682 are used in the analysis.
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=1.76g/mL
4.5 Hydrochloric acid (1 1).
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