GB/T 5195.4-2025 Active National standards

GB/T 5195.4-2025 Methods for chemical analysis of fluorspar—Part 4:Determination of total sulfur and sulfide content

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 5195.4-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Metallurgical auxiliary raw material minerals

ICS Name: Non-metallic minerals

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国钢标准化技术委员会(SAC/TC 183)

Pages: 16 pages

Scope

本文件描述了采用管式炉燃烧-碘酸钾滴定法测定总硫含量，采用碘量法测定硫化物含量。
本文件适用于萤石中总硫、硫化物含量的测定。方法一测定总硫范围(质量分数):0.010%~ 1.000%;方法二测定范围(质量分数):w≥0.001% (硫化物按硫计算),当试料中存在多硫化物时，本方法不适用。

Development Information

Drafting Units:

首钢集团有限公司、冶金工业信息标准研究院、首钢水城钢铁(集团)有限责任公司

Drafting Persons:

秦汉成、赵梦莹、王姗姗、杨志强、王晓远、孟祥升、吴朝晖、柏雪、刘艳婷、徐永林、李铁、程昭阳

Word Count: 23 Thousand words Pages: 16 pages

Same series standard

GB/T 5195.12-2025 Methods for chemical analysis of fluorspar—Part 12:Determination of arsenic content

Replace the following standards

GB/T 5195.4-2006 Fluorspar—Determination of sulfide content—Iodometric method GB/T 5195.5-2017 Fluorspar—Determination of total sulfur content—Pipe furnace combustion iodic acid potassium titration method

Referenced Standards

GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 12806-1991 Laboratory glassware—One-mark volumetric flasks GB/T 12806-2011 Laboratory glassware—One-mark volumetric flasks GB/T 12807-1991 Laboratory glassware—Graduated pipettes GB/T 12807-2021 Laboratory glassware—Graduated pipettes GB/T 22564-2008 Fluorspar—Sampling and sample preparation

Related Standards

GB/T 5463.1-1985 Replaced

GB/T 5463.1-1985 Non-metallic mineral products—Commonly used terms

Publish Date: 1985-10-12

GB/T 5463.2-1985 Replaced

GB/T 5463.2-1985 Technical terms of non-metallic mineral products—Talc

Publish Date: 1985-10-12

GB/T 5463.3-1986 Replaced

GB/T 5463.3-1986 Technical terms of non-metallic mineral products—Gypsum and anhydrite

Publish Date: 1986-09-01

GB/T 14505-1993 Replaced

GB/T 14505-1993 Method for chemical analysis of rocks and ores—General rules and regulations

Publish Date: 1993-06-19

GB/T 14506.10-1993 Replaced

GB/T 14506.10-1993 Silicate rocks—Determination of manganese oxide

Publish Date: 1993-06-19

GB/T 14506.11-1993 Replaced

GB/T 14506.11-1993 Silicate rocks—Determination of potassium oxide and sodium oxide

Publish Date: 1993-06-19