GB/T 4701.10-2008 English PDF

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GB/T 4701.10-2008: Ferrotitanium -- Determination of sulfur content -- Infrared absorption method and combustion-neutralization titration method
Status: Valid

GB/T 4701.10: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4701.10-2008	229	Add to Cart	3 days	Ferrotitanium -- Determination of sulfur content -- Infrared absorption method and combustion-neutralization titration method	Valid
GB/T 4701.10-1988	199	Add to Cart	2 days	Methods for chemical analysis of ferrotitanium--The infrared absorption method for the determination of sulfur content	Obsolete

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Basic data

Standard ID: GB/T 4701.10-2008 (GB/T4701.10-2008)
Description (Translated English): Ferrotitanium -- Determination of sulfur content -- Infrared absorption method and combustion-neutralization titration method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H11
Classification of International Standard: 77.100
Word Count Estimation: 10,195
Date of Issue: 2008-05-13
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 4701.10-1988; GB/T 4701.11-1988
Quoted Standard: GB/T 4010
Regulation (derived from): National Standard Approval Announcement 2008 No.8 (Total No.121)
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 infrared absorption method and titration method and the combustion of sulfur content in ilmenite. This section applies to the determination of the sulfur content of ilmenite. Which measured the infrared method range: from 0. 005% to 0. 045%, combustion and titration range: 0. 005% to 0. 070 %.

GB/T 4701.10-2008: Ferrotitanium -- Determination of sulfur content -- Infrared absorption method and combustion-neutralization titration 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.
Ferrotitanium. Determination of sulfur content. Infrared absorption method and combustion-neutralization titration method ICS 77.100 H11 National Standards of People's Republic of China Replacing GB/T 4701.10 ~ 4701.11-1988 Determination of sulfur content of ilmenite The infrared absorption method and combustion titration method Posted 2008-05-13 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This part is GB/T 4701.10-1988 "Methods for chemical analysis of ferrotitanium The infrared absorption method for the determination of sulfur content" GB/T 4701.11-1988 "Methods for chemical analysis of ferrotitanium determination of sulfur content and combustion titration" integration amendment. This Part replaces GB/T 4701.10-1988, GB/T 4701.11-1988. This portion of the GB/T 4701.10-1988 and GB/T 4701.11-1988 comparison, the main changes are as follows. --- Infrared absorption method Sample volume is adjusted by the 0.500g 0.25g; --- Infrared absorption method flux increased from 0.50g tin particles, 1.50g to 0.25g tungsten particles tin particles, 1.0g tungsten particles, and add Into 0.50g of pure iron; --- Combustion and titration measurement range from the original ≤0.070% to 0.005% to 0.070%. This part is proposed by the China Iron and Steel Association. This section is under the jurisdiction of Metallurgical Industry Information Standards Institute. This section is drafted. Changshu CIQ. The main drafters of this section. Xu Yuyu, a new kingdom, Wu Cheng, Zhu Yuyan. This part replaces the standards previously issued as follows. --- GB/T 4701.10-1988; --- GB/T 4701.11-1988. Determination of sulfur content of ilmenite The infrared absorption method and combustion titration method Warning. Use of this section shall be a person experiences regular laboratory work. This section does not indicate that all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This section provides an infrared absorption method and combustion titration and determination of sulfur content in ferrotitanium. This section applies to the determination of sulfur content of ilmenite. Wherein the measurement range infrared method (mass fraction). 0.005% and 0.045%; combustion And titration range (mass fraction). 0.005% to 0.070%.

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 4010 alloy chemical analysis and preparation of samples for. 3 Method One. The infrared absorption method 3.1 Principle The sample is heated in an induction furnace in an oxygen stream of combustion, the oxygen produced by the sulfur dioxide contained in the measuring chamber to the infrared analyzer dioxide A sulfur absorbing specific wavelengths of infrared energy, which is proportional to the absorbed energy and the concentration of sulfur dioxide, according to the change in energy receiving detector may be measured Sulfur content. 3.2 Reagents and materials Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. 3.2.1 magnesium perchlorate, anhydrous, granular. 3.2.2 asbestos caustic soda, granular. 3.2.3 glass wool. 3.2.4 tungsten particles, sulfur content is less than 0.0002%, particle size 0.8mm ~ 1.4mm. 3.2.5 tin particles, sulfur content is less than 0.0003%, particle size 0.4mm ~ 0.8mm. 3.2.6 pure iron purity of more than 99.80%, a sulfur content of less than 0.0005%, particle size 0.8mm ~ 1.68mm. 3.2.7 oxygen purity of more than 99.95%, if other levels of oxygen to obtain a low and consistent blank value, may also be used. 3.2.8 power source gas, nitrogen or compressed air, which contaminants (oil and water) of less than 0.5%. 3.2.9 ceramic crucible diameter × height, 23mm × 23mm or 25mm × 25mm, and above 1200 ℃ high temperature furnace 4h or by burning oxygen burning to blank the lowest value. 3.2.10 crucible tongs. 3.3 Instrument 3.3.1 Sulphur infrared absorption analyzer (sensitivity of 1.0 × 10-6) which means shown in Figure 1. ......

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