GB/T 4702.6-2016 English PDF

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GB/T 4702.6-2016: Chromium metal -- Determination of iron, aluminium, silicon and copper content -- Inductively coupled plasma atomic emission spectrometry method
Status: Valid

GB/T 4702.6: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4702.6-2016	199	Add to Cart	3 days	Chromium metal -- Determination of iron, aluminium, silicon and copper content -- Inductively coupled plasma atomic emission spectrometry method	Valid
GB/T 4702.6-1984	199	Add to Cart	2 days	Methods for chemical analysis of chromium metal--The EDTA volumetric method for the determination of aluminum content	Obsolete

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Basic data

Standard ID: GB/T 4702.6-2016 (GB/T4702.6-2016)
Description (Translated English): Chromium metal -- Determination of iron, aluminium, silicon and copper content -- Inductively coupled plasma atomic emission spectrometry method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H11
Classification of International Standard: 77.100
Word Count Estimation: 10,153
Date of Issue: 2016-12-13
Date of Implementation: 2017-09-01
Regulation (derived from): National Standard Announcement No.54 of 2016
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 4702.6-2016: Chromium metal -- Determination of iron, aluminium, silicon and copper content -- Inductively coupled plasma atomic emission spectrometry 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.
Chromium metal - Determination of iron, aluminum, silicon and coppercontent - Inductively coupled plasma production spectrometry ICS 77.100 H11 National Standards of People's Republic of China Determination of metallic ferrochromium, aluminum, silicon and copper contents Inductively coupled plasma atomic emission spectrometry Chromiummetal-Determination ofiron, aluminum, siliconandcopper 2016-12-13 released 2017-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

GB/T 4702 "metal chromium chemical analysis method" is divided into 16 parts. - Part 1. Determination of chromium chromium content - Ammonium ferrous sulfate titration method Part 2. Determination of chromium content in metallic materials - Perchloric acid gravimetric method Part 3. Determination of chromium content in metals - Bismuth - phosphorus - molybdenum blue spectrophotometric method - Part 4. Determination of metallic chromium content - Ethylenediamine tetraacetic acid disodium titration and flame atomic absorption spectrometry - Part 5. Determination of metallic chromium content - Ethylenediamine tetraacetic acid disodium titration and flame atomic absorption spectrometry - Part 6. Determination of metallic ferrochromium, aluminum, silicon and copper content - Inductively coupled plasma atomic emission spectrometric method - Part 7. Determination of chromium content in metals - Distillation separation - Nessler reagent spectrophotometric method - Part 8. Methods for chemical analysis of chromium metal - Distillation - molybdenum blue spectrophotometric method for the determination of arsenic content Part 9. Methods for chemical analysis of metallic chromium - Determination of antimony content by crystal violet spectrophotometry - Part 10. Methods for chemical analysis of metallic chromium - The copper reagent spectrophotometric method for the determination of copper content - Part 11. Methods for chemical analysis of metallic chromium - Determination of tin content by alizarin violet spectrophotometry Part 13. Methods for chemical analysis of metallic chromium - The polarographic method for the determination of lead content - Part 14. Methods for chemical analysis of metallic chromium - The infrared absorption method for the determination of carbon content - Part 15. Determination of chromium, tin, bismuth, antimony and arsenic content of metallic chromium - Mass spectrometry - Part 16. Determination of chromium content in metals - Infrared absorption method and combustion neutralization titration method - Part 17. Determination of chromium, nitrogen and hydrogen content of metals - Inhalation of inert gases - Infrared absorption method and thermal conductivity method This part is part 6 of GB/T 4702. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part is made by China Iron and Steel Industry Association. This section is under the jurisdiction of the National Technical Committee on Standardization of Pig Iron and Ferroalloys (SAC/TC318). This part of the drafting unit. CITIC Jinzhou Metal Co., Ltd., Zhejiang Zhongxin Electric Power Development Group Co., Ltd., Metallurgical Industry Information Standard Quasi - research institute. The main drafters of this part. Jin Aidi, Zhang Simei, Shao Xuejian, Wu Yinjun, Duan Hongran, Liu Haifeng, Chen Xiaofei, Qiu Haifeng, Chen Zibin, Lu Chunsheng. Determination of metallic ferrochromium, aluminum, silicon and copper contents Inductively coupled plasma atomic emission spectrometry WARNING - Personnel using this section should have practical experience in formal laboratory work. This section does not indicate all possible security questions question. It is the user's responsibility to take appropriate safety and health measures. And to ensure compliance with the relevant provisions of the relevant national laws and regulations.

1 Scope

This part of GB/T 4702 specifies the determination of iron, aluminum, silicon and copper by inductively coupled plasma atomic emission spectrometry. This part is applicable to the determination of iron, aluminum, silicon and copper in metallic chromium. The determination range of each element is shown in Table 1. Table 1 Measurement range Analysis element Determination range (mass fraction) /% Fe Al Si Cu 0.002 to 1.00 0.004 to 1.00 0.003 to 0.60 0.001 to 0.050

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 4010 Ferroalloy chemical analysis of the sample to take and preparation GB/T 6682 Analytical laboratory water specifications and test methods GB/T 12806 laboratory glass instrument single standard line capacity bottle GB/T 12807 Laboratory glass instruments - Index pipettes GB/T 12808 Laboratory glass instruments Single line suction pipette

3 principle

The samples were decomposed by hydrochloric acid and inductively coupled with an inductively coupled plasma emission spectrometer to measure the emission intensity of the elements in the solution. The mass fraction of the analytical element is calculated from the calibration curve made with the standard solution.

4 reagent

Unless otherwise stated, only the confirmed analytical reagent is used in the analysis, and the water used is distilled or deionized or substantially pure water, Should comply with GB/T 6682 level water requirements. ......

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