GB/T 223.86-2009 English PDF

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GB/T 223.86-2009: Steel and iron -- Determination of total carbon content -- Infrared absorption method after combustion in an induction furnace
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 223.86-2009	254	Add to Cart	3 days	Steel and iron -- Determination of total carbon content -- Infrared absorption method after combustion in an induction furnace	Valid

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Basic data

Standard ID: GB/T 223.86-2009 (GB/T223.86-2009)
Description (Translated English): Steel and iron -- Determination of total carbon content -- Infrared absorption method after combustion in an induction furnace
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H11
Classification of International Standard: 77.080.01
Word Count Estimation: 13,138
Date of Issue: 2009-10-30
Date of Implementation: 2010-05-01
Quoted Standard: GB/T 6379.1; GB/T 6379.2; GB/T 12805; GB/T 12806; GB/T 12808; GB/T 20066; ISO 5725-3
Adopted Standard: ISO 9556-1989, IDT
Regulation (derived from): National Standard Approval Announcement 2009 No.12 (Total No.152)
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 method for the determination of total carbon content of the steel used after induction furnace combustion infrared absorption method. This section applies for the determination of the mass fraction of 0. 003% -4. 5 % carbon content.

GB/T 223.86-2009: Steel and iron -- Determination of total carbon content -- Infrared absorption method after combustion in an induction furnace

---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.
Steel and iron. Determination of total carbon content. Infrared absorption method after combustion in an induction furnace ICS 77.080.01 H11 National Standards of People's Republic of China GB/T 223.86-2009/ISO 9556. 1989 Determination of total carbon steel and alloy content After induction furnace combustion infrared absorption method (ISO 9556. 1989, IDT) Posted 2009-10-30 2010-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This section GB/T 223 is equivalent to using ISO 9556. 1989 "after the infrared absorption was measured total carbon content of the steel induction furnace combustion law". For ease of use, this section made the following editorial changes. --- "This International Standard" by "this section"; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Delete international standards foreword. This section of the Appendix A, Appendix B and Appendix C are informative appendices. This part is proposed by the China Iron and Steel Association. This part of the National Steel Standardization Technical Committee. This part of the main drafting unit. Iron and Steel Research Institute, Chang'an Automobile (Group) Co., Ltd., Chongqing Institute of Metrology and Quality Inspection. The main drafters of this section. Yang Guorong, Wen Yuan Mei, Li Qihua, Zhang Jian Yang. GB/T 223.86-2009/ISO 9556. 1989 Determination of total carbon steel and alloy content After induction furnace combustion infrared absorption method

1 Scope

GB/T in this part 223 specifies the method for the determination of total carbon content of the steel used after induction furnace combustion infrared absorption method. This section applies to the determination of the mass fraction of 0.003% to 4.5% carbon content.

2 Normative references

The following documents contain provisions which, through reference GB/T 223 of this text, constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 6379.1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions (GB/T 6379.1-2004, ISO 5725-1.1994, IDT) GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the weight of a standard measurement method Refolding and basic methods of reproduction (GB/T 6379.2-2004, ISO 5725-2.1994, IDT) GB/T 12805 Laboratory glassware burette (GB/T 12805-1991, neqISO 385-1984) GB/T 12806 Laboratory glassware single marking flask (GB/T 12806-1991, eqvISO 1042-1983) GB/T 12808 standard laboratory glassware single line pipette (GB/T 12808-1991, eqvISO 648-1977) GB/T 20066 Steel and iron - Sampling and determination of chemical composition of the preparation of samples (GB/T 20066-2006 use, ISO 14284. 1996, IDT) Intermediate standard measurement accuracy. ISO 5725-3 measurement methods and results of Accuracy (trueness and precision) - Part 3 measure Principle 3 Sample in pure oxygen gas stream through a high frequency induction furnace, high temperature conditions in the presence of a flux of combustion, carbon is converted to carbon dioxide and / Or carbon monoxide. Measuring oxygen stream of carbon dioxide and/or carbon monoxide in the infrared absorption spectrum.

4 Reagents

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled water or equivalent purity. 4.1 Water, carbon dioxide-free Boil water before use 30min, cooled to room temperature, oxygenation (4.2) bubbling 15min. 4.2 oxygen mass fraction of not less than 99.5% When the presence of organic pollutants suspected oxygen, should a heated to 450 ℃ or more oxidation catalyst tube (copper oxide or platinum) is placed Before purification system (see Appendix C). 4.3 iron, carbon content of less than 0.0010% (mass fraction). GB/T 223.86-2009/ISO 9556. 1989 ......

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