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GB/T 4701.10-2025: Ferrotitanium - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 4701.10-2025	English	339	Add to Cart	4 days [Need to translate]	Ferrotitanium - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method
GB/T 4701.10-2008	English	229	Add to Cart	3 days [Need to translate]	Ferrotitanium -- Determination of sulfur content -- Infrared absorption method and combustion-neutralization titration method
GB/T 4701.10-1988	English	199	Add to Cart	2 days [Need to translate]	Methods for chemical analysis of ferrotitanium--The infrared absorption method for the determination of sulfur content

GB/T 4701.10-2025: Ferrotitanium - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method

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ICS 77.100 CCSH11 National Standards of the People's Republic of China Replaces GB/T 4701.10-2008 Determination of titanium iron sulfur content Infrared absorption method and combustion neutralization titration method Published on 2025-12-02 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document is Part 10 of GB/T 4701.GB/T 4701 has already published the following parts. ---Determination of Titanium Iron Content by Ferrous Ammonium Sulfate Titration (GB/T 4701.1); ---Determination of Titanium Iron Silicon Content by Sulfuric Acid Dehydration Gravimetric Method (GB/T 4701.2); ---Determination of Titanium, Iron, and Copper Content. Copper Reagent Spectrophotometry and Flame Atomic Absorption Spectrometry (GB/T 4701.3); ---Determination of titanium, iron, and manganese content by arsenite-nitrite titration and periodate spectrophotometry (GB/T 4701.4); ---Determination of Titanium, Iron, and Aluminum Content by EDTA Titration (GB/T 4701.6); ---Determination of titanium iron phosphorus content. Bismuth phosphorus molybdenum blue spectrophotometric method and molybdenum blue spectrophotometric method (GB/T 4701.7); ---Determination of the carbon content of titanium-iron alloy by infrared absorption method (GB/T 4701.8); ---Determination of the sulfur content of titanium iron by infrared absorption method and combustion neutralization titration method (GB/T 4701.10); ---Determination of Titanium Iron and Titanium Content by Diantipyrrolidone Spectrophotometric Method (GB/T 4701.12); ---Determination of the contents of titanium, iron, silicon, manganese, phosphorus, chromium, aluminum, magnesium, copper, vanadium, and nickel by inductively coupled plasma atomic emission spectrometry (GB/T 4701.13). This document replaces GB/T 4701.10-2008 "Determination of Titanium Iron Sulfur Content by Infrared Absorption Method and Combustion Neutralization Titration Method", and is consistent with... Compared with GB/T 4701.10-2008, apart from structural adjustments and editorial changes, the main technical changes are as follows. a) Requirements for reagents and water have been added (see 4.2, 5.2); b) An ultra-low carbon-sulfur crucible was added as described in Method 1 (see 4.2.10); c) An analytical step has been added to Method 1 for determining sulfur content in the range of 0.005% to 0.010% (see 4.5); d) The amounts of pure iron, tungsten granules, and tin granules in Method 1 have been modified (see 4.5.3, 3.5.2 of the.2008 version); e) The number of measurements for Method 1 was increased (see 4.6.1); f) The representation of the analysis results in Method 1 has been added (see 4.6.7); g) The precision of Method 1 has been modified (see 4.7, 3.6 of the.2008 edition); h) The calculation and representation of the results from Method 2 have been modified (see 5.6, 4.6 in the.2008 edition); i) A flowchart of the sample analysis result acceptance procedure has been added (see Appendix A). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the China Iron and Steel Association. This document is under the jurisdiction of the National Technical Committee on Standardization of Pig Iron and Ferroalloys (SAC/TC318). This document was drafted by. Benxi Steel Plate Co., Ltd., Nantong Pinyan Testing Technology Co., Ltd., and Jinan Steel Group Co., Ltd. Jilin Ferroalloy Co., Ltd., China Certification & Inspection Group Hebei Co., Ltd., Inner Mongolia Xintaiyuan New Materials Co., Ltd., Metallurgical Industry Information Standards Research Institute. The main drafters of this document are. Wang Yapeng, Wu Bin, Liu Hongliang, Li Mingming, Zhao Jiahe, Huang Jianguo, Wang Shuhua, Wu Zhifeng, and Wang Yabing. Zhou Ruidong, Li Yanzhi, Xu Zhibin, Zheng Haidong, Liu Fei, Huang Xin, Lu Chunsheng, Cheng Zhaoyang. This document was first published in 1988, revised for the first time in.2008, and this is the second revision.

Introduction

Because the detection process for ferro-titanium involves many elements, and the applicable ranges and methods for each element vary, in order to ensure the quality of ferro-titanium... To ensure the convenience and accuracy of iron testing documentation, we have established a national documentation system to support the analysis of different elements in ferro-titanium. The GB/T 4701 series of analytical methods is the basic document for the detection of ferro-titanium in my country, and is proposed to consist of the following parts. ---Determination of Titanium Content in Iferior Titanium (IFI) by Ferric Ammonium Sulfate Titration (GB/T 4701.1). The purpose is to determine the titanium content in ferrotior titanium. Titration with ferric ammonium sulfate. ---Determination of Silicon Content in Ferrotitanium Iron by Sulfuric Acid Dehydration Gravimetric Method (GB/T 4701.2). The purpose is to measure the silicon content in ferrotitanium iron. Dehydration by sulfuric acid gravity method. ---Determination of Titanium, Iron, and Copper Content using Copper Reagent Spectrophotometry and Flame Atomic Absorption Spectrometry (GB/T 4701.3). The purpose is to measure... The copper content in ferrotitanium was determined using copper reagent spectrophotometry and flame atomic absorption spectrometry. ---Determination of titanium, iron, and manganese content using arsenite-nitrite titration and periodate spectrophotometry (GB/T 4701.4). The aim is to... The manganese content in ferrotitanium was measured using arsenite-nitrite titration and periodate spectrophotometry. ---Determination of Aluminum Content in Titanium Iron by EDTA Titration (GB/T 4701.6). The purpose is to determine the aluminum content in titanium iron using EDTA titration. EDTA titration method. ---Determination of titanium iron phosphorus content using bismuth phosphorus molybdenum blue spectrophotometry and molybdenum blue spectrophotometry (GB/T 4701.7). The purpose is to determine... The phosphorus content in ferrotitanium was measured using the bismuth-phosphorus-molybdenum-blue spectrophotometric method and the molybdenum-blue spectrophotometric method. ---Determination of Carbon Content in Titanium Iron by Infrared Absorption Spectrometry (GB/T 4701.8). The purpose is to measure the carbon content in titanium iron using infrared absorption spectroscopy. Infrared absorption method. ---Determination of Titanium Iron Sulfur Content by Infrared Absorption Method and Combustion Neutralization Titration Method (GB/T 4701.10). The purpose is to measure the titanium... The sulfur content in iron was determined using infrared absorption and combustion neutralization titration methods. ---Determination of Titanium Content in Titanium Iron by Diantipyridine Methane Spectrophotometric Method (GB/T 4701.12). The purpose is to determine the titanium content in titanium iron. The titanium content was determined using the diantipyrin methane spectrophotometric method. ---Determination of the contents of titanium, iron, silicon, manganese, phosphorus, chromium, aluminum, magnesium, copper, vanadium, and nickel by inductively coupled plasma atomic emission spectrometry (GB/T 4701.13). The purpose is to measure the content of silicon, manganese, phosphorus, chromium, aluminum, magnesium, copper, vanadium, and nickel in ferrotitanium using inductive coupling. Plasma atomic emission spectrometry. Determination of titanium iron sulfur content Infrared absorption method and combustion neutralization titration method Warning---Personnel using this document should have practical experience working in a formal laboratory. This document does not address all possible safety issues. Users are responsible for taking appropriate safety and health measures and ensuring compliance with relevant national regulations.

1 Scope

This document describes a method for determining the sulfur content in ferrotitanium using infrared absorption and combustion neutralization titration. This document applies to the determination of sulfur content in ferrotitanium. The infrared absorption method is used for determination within the range (mass fraction) of 0.005% to 0.045%. The determination range (mass fraction) by combustion neutralization titration is 0.005% to 0.070%.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 4010 Sample collection and preparation for chemical analysis of ferroalloys GB/T 6379.1 Accuracy (correctness and precision) of measurement methods and results - Part 1.General principles and definitions GB/T 6379.2 Accuracy (correctness and precision) of measurement methods and results - Part 2.Determining the repeatability of standard measurement methods Basic methods of sex and representation GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 8170 Rules for rounding off numerical values and the representation and determination of limiting values

3 Terms and Definitions

This document does not contain any terms or definitions that need to be defined. 4.Method 1.Infrared Absorption Method 4.1 Principle The sample was heated and burned in an oxygen stream in a high-frequency induction furnace. The generated sulfur dioxide was carried by the oxygen to the measuring chamber of an infrared analyzer. Sulfur dioxide absorbs infrared energy of a specific wavelength, and the absorbed energy is directly proportional to the concentration of sulfur dioxide. The concentration can be measured by observing the change in energy received by the detector. Sulfur content. 4.2 Reagents and Materials Unless otherwise specified, only reagents confirmed to be of analytical grade and distilled water of grade III or higher conforming to GB/T 6682 shall be used in the analysis. Water of fairly high purity. 4.2.1 Magnesium perchlorate, anhydrous, granular. 4.2.2 Caustic soda asbestos, granular. ...