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GB/T 38812.3-2020: Direct reduced iron--Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content--Inductively coupled plasma atomic emission spectrometric method
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Direct reduced iron--Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content--Inductively coupled plasma atomic emission spectrometric method
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GB/T 38812.3-2020
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Basic data | Standard ID | GB/T 38812.3-2020 (GB/T38812.3-2020) | | Description (Translated English) | Direct reduced iron--Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content--Inductively coupled plasma atomic emission spectrometric method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D31 | | Classification of International Standard | 73.060.10 | | Word Count Estimation | 18,186 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2020-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38812.3-2020: Direct reduced iron--Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content--Inductively coupled plasma atomic emission spectrometric method
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Direct reduction of ferrosilicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium, sodium content. Inductively coupled plasma atomic emission spectrometry)
ICS 73.060.10
D31
National Standards of People's Republic of China
Direct reduction of ferrosilicon, manganese, phosphorus, vanadium, titanium, copper,
Determination of aluminum, arsenic, magnesium, calcium, potassium, sodium content
Inductively coupled plasma atomic emission spectrometry
2020-06-02 release
2020-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
GB/T 38812 "Direct Reduction Iron" is divided into the following 3 parts.
---Determination of ferrous content by ferric chloride decomposition potassium dichromate titration method;
---Determination of metallic iron content by ferric chloride decomposition potassium dichromate titration method;
--- Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium, sodium content by inductively coupled plasma atomic emission spectrometry.
This part is Part 3 of GB/T 38812.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part is proposed by China Iron and Steel Association.
This part is under the jurisdiction of the National Iron Ore and Direct Reduction Iron Standardization Technical Committee (SAC/TC317).
This section was drafted by. Wuhan Iron and Steel Group Kunming Iron and Steel Co., Ltd., Guangxi Liuzhou Iron and Steel Group Co., Ltd., metallurgical industry information standard
Quasi-research institute.
The main drafters of this section. Zeng Haimei, Zhang Zhibo, Xiao Huaqiang, Sun Xiaoyuan, Gao Ling, Chen Tao, Wang Lei, Li Wensheng, Zheng Ning, Li Jinzhu,
Yang Libo, Wang Dezhou, Ruan Zhiyong, Liu Hua, Yu Yifeng.
Direct reduction of ferrosilicon, manganese, phosphorus, vanadium, titanium, copper,
Determination of aluminum, arsenic, magnesium, calcium, potassium, sodium content
Inductively coupled plasma atomic emission spectrometry
Warning---Persons using this part should have formal laboratory work experience. This section does not indicate all possible security issues,
It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the conditions prescribed by the relevant national regulations.
1 Scope
This part of GB/T 38812 specifies the inductively coupled plasma atomic emission spectrometry for the determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic,
The content of magnesium, calcium, potassium and sodium.
This section applies to the determination of the following elements in direct reduced iron, the determination range of each element is shown in Table 1.
Table 1 Elements and determination range
Analytical element determination range (mass fraction)/%
Si 0.10~8.00
Mn 0.10~5.00
P 0.010~2.00
V 0.010~2.00
Ti 0.010~2.00
Cu 0.010~2.00
Al 0.010~2.00
As 0.010~2.00
Mg 0.010~2.00
Ca 0.010~2.00
K 0.010~2.00
Na 0.010~2.00
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 6682 Analysis of laboratory water specifications and test methods
GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values
GB/T 12806 Laboratory glass instrument single mark volumetric flask
GB/T 12807 Laboratory glass instrument graduation pipette
GB/T 12808 Laboratory glass instrument single mark pipette
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