GB/T 24193-2009 English PDF

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GB/T 24193-2009: Chromium ores and concentrates -- Determination of aluminium, iron, magnesium and silicon content -- Inductively coupled plasma atomic emission spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24193-2009	209	Add to Cart	3 days	Chromium ores and concentrates -- Determination of aluminium, iron, magnesium and silicon content -- Inductively coupled plasma atomic emission spectrometry	Valid

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Basic data

Standard ID: GB/T 24193-2009 (GB/T24193-2009)
Description (Translated English): Chromium ores and concentrates -- Determination of aluminium, iron, magnesium and silicon content -- Inductively coupled plasma atomic emission spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D33
Classification of International Standard: 73.060.30
Word Count Estimation: 9,952
Date of Issue: 2009-07-08
Date of Implementation: 2010-04-01
Quoted Standard: GB/T 2007.1; GB/T 2007.2; GB/T 6379.2; GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2009 No.9 (Total No.149)
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
Summary: This standard specifies the Chromium ores and concentrates aluminum by inductively coupled plasma atomic emission spectrometry, iron, silicon content, magnesium. Determination of silicon content, iron, , magnesium This standard applies to the grid of aluminum ores and concentrates in chrome.

GB/T 24193-2009: Chromium ores and concentrates -- Determination of aluminium, iron, magnesium and silicon content -- Inductively coupled plasma atomic emission spectrometry

---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 ores and concentrates. Determination of aluminium, iron, magnesium and silicon content. Inductively coupled plasma atomic emission spectrometry ICS 73.060.30 D33 National Standards of People's Republic of China Chromium ores and concentrates of aluminum, iron, magnesium and silicon content Inductively coupled plasma atomic emission Spectrometry Posted 2009-07-08 2010-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard and Appendix B is an informative annex. The standard proposed by China Iron and Steel Association. This standard by the National Standardization Technical Committee of pig iron and ferroalloy. Drafting of this standard. Ningbo Inspection and Quarantine Institute of Science and Technology, People's Republic of China Shanghai Exit Inspection and Quarantine, the rule of Metallurgical Industry Information Standards Institute, People's Republic of China Tianjin Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Jinxian Zhong Zheng Lin, shall pine, Chen Jianguo, Liang Fan, Jiang Haining, Chenzi Bin, Gu Songhai. Chromium ores and concentrates of aluminum, iron, magnesium and silicon content Inductively coupled plasma atomic emission Spectrometry Warning --- personnel should use this standard regular laboratory work experience. This standard does not point out all possible security asked question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies the determination of Chromium ores and concentrates of aluminum, iron, magnesium, silicon content by inductively coupled plasma atomic emission spectrometry. This standard applies to the determination of chrome ore and chrome ore in aluminum, iron, magnesium and silicon content. Determination of elements in the range shown in Table 1. Table 1 Determination of elements content range Determination of elements in the range (mass fraction) /% Aluminum 0.2 to 16.0 Iron 1.0 to 18.0 Magnesium 0.2 to 16.0 Silicon 0.5 to 16.0

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2007.1 bulk minerals sampling and sample preparation General manual sampling methods GB/T 2007.2 bulk minerals sampling and sample preparation General manual sample preparation method GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction (GB/T 6379.2-2004, ISO 5725-2.1994, IDT) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) Principle 3 Sample molten sodium peroxide, hydrochloric acid in the leach zirconium crucible, and diluted to volume. Use of high resistance to salt spray and the corresponding fog Room, after the sample solution is introduced into the inductively coupled plasma spray torch, which was measured by elemental analysis of each line of bare strong, according to the established school Standard curve, calculate the concentration of each element in the sample solution. Then depending on the concentration, sample quality and the volume of the sample solution is calculated for each test compound Content elements.

4 Reagents

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity, in line with GB/T 6682 two water regulations. 4.1 sodium peroxide. 4.2 hydrochloride, ρ1.19g/mL. 4.3 nitric acid, ρ1.42g/mL. ......

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