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GB/T 223.84-2009 English PDF

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GB/T 223.84-2009: Steel and iron -- Determination of titanium content -- Diantipyrylmethane spectrophotometric method
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GB/T 223.84-2009English214 Add to Cart 3 days [Need to translate] Steel and iron -- Determination of titanium content -- Diantipyrylmethane spectrophotometric method Valid GB/T 223.84-2009

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Basic data

Standard ID GB/T 223.84-2009 (GB/T223.84-2009)
Description (Translated English) Steel and iron -- Determination of titanium content -- Diantipyrylmethane spectrophotometric method
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H11
Classification of International Standard 77.080.01
Word Count Estimation 11,180
Date of Issue 2009-10-30
Date of Implementation 2010-05-01
Quoted Standard GB/T 6379.1; GB/T 6379.2; GB/T 6682; GB/T 12805; GB/T 12806; GB/T 12808; GB/T 20066; ISO 5725-3
Adopted Standard ISO 10280-1991, 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 determination of the content of the steel in the chin with two antipyrine methane spectrophotometry. This section applies for the determination of the mass fraction of 0. 002% -0. 80 % iron content.

GB/T 223.84-2009: Steel and iron -- Determination of titanium content -- Diantipyrylmethane spectrophotometric method


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Steel and iron.Determination of titanium content.Diantipyrylmethane spectophotometric method ICS 77.080.01 H11 National Standards of People's Republic of China GB/T 223.84-2009/ISO 10280.1991 Determination of titanium content of steel and alloy Two methane antipyrine spectrophotometry (ISO 10280.1991, 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

GB/T 223 of this part identical with ISO 10280.1991 "Steel and titanium alloys - Determination of two methane antipyrine points Spectrophotometric method. " For ease of use, this section made the following editorial changes. a) 'this International Standard' to 'this section'; b) with a decimal point '. 'Instead of a comma as the decimal point,' '; c) Remove the preface to international standards. This part of the Annex A, Annex B is informative appendix. This part is proposed by the China Iron and Steel Association. This part of the National Steel Standardization Technical Committee. This section drafted by. Bengang Technology Center, Steel Research Institute. Drafters of this section. Liu Xiaoping, Huakai, Luoqian Hua, Cuiqiu Hong, Song Li, Wu Jun. GB/T 223.84-2009/ISO 10280.1991 Determination of titanium content of steel and alloy Two methane antipyrine spectrophotometry

1 Scope

GB/T 223 provisions of this section using two methane antipyrine spectrophotometric determination of iron in titanium content. This section applies to the determination of the mass fraction of 0.002% ~ 0.80% titanium content.

2 Normative references

The following documents contain provisions which, through reference GB/T 223 of this part and become the standard terms. 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 standard measurement method to repeat And reproducibility of the basic method (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) GB/T 12805 Laboratory glassware burette (GB/T 12805-1991, neq ISO 385. 1984) GB/T 12806 Laboratory glassware single marking flask (GB/T 12806-1991, neq ISO 1042. 1983) GB/T 12808 standard laboratory glassware single line pipette (GB/T 12808-1991, neq ISO 648. 1977) GB/T 20066 Steel and iron - Sampling and determination of the chemical composition of the sample with a sample preparation method (GB/T 20066-2006, 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 A specimen in a hydrochloric acid, nitric acid, sulfuric acid decomposition, potassium bisulfate molten residue. Titanium and 4,4'-methane formation antipyrine yellow complex. Absorbance was measured at a wavelength of 385nm.

4 Reagents and materials

Analysis Unless otherwise stated, use only reagents of recognized analytical grade and GB/T 6682 provisions of secondary water. 4.1 high iron and titanium content of less than 2μg/g. 4.2 potassium bisulfate. 4.3 anhydrous sodium carbonate. 4.4 hydrochloric acid, ρ about 1.19g/mL. 4.5 hydrochloric acid, ρ about 1.19g/mL, diluted 1 + 1. 4.6 hydrochloride, ρ of about 1.19g/mL, diluted 1 + 3. 4.7 nitric acid, ρ about 1.40g/mL. 4.8 hydrofluoric acid, ρ about 1.15g/mL. GB/T 223.84-2009/ISO 10280.1991

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