YB/T 4909.3-2021 Active Industry standards-Black metallurgy

YB/T 4909.3-2021 Iron and steel pre-treatment using calcium-based desulfurization agent - Analysis methods - Part 3: Determination of sulfur content - Ignition iodometric method

YB/T 4909.3-2021 Iron and steel pre-treatment using calcium-based desulfurization agent - Analysis methods - Part 3: Determination of sulfur content - Ignition iodometric method

Publish Date: 2021-03-05 Implement Date: 2021-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: YB/T 4909.3-2021

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Metallurgical auxiliary raw material minerals

ICS Name: Non-metallic minerals

Publish Date: 2021-03-05

Implement Date: 2021-07-01

Scope

This document specifies the determination of sulfur content using the iodine combustion method. This document is suitable for the determination of sulfur content in calcium-based desulfurizers used for the pretreatment of molten steel, with a measurement range (mass fraction) of 0.020% to 0.20%.

Development Information

Same series standard

YB/T 4909.1-2021 Iron and steel smelting pretreatment using calcium-based desulfurization agent analysis method - Part 1: Determination of silica content - Potassium perchlorate drying weight method YB/T 4909.2-2021 The Analysis Method for Calcium-based Sulfide Removing Agent in Pre-treatment of Steel-making Iron, Part 2: Determination of Calcium Fluoride Content by Distillation-Zirconium Salt Titration Method YB/T 4909.4-2021 Iron and steel slurry pretreatment using calcium-based desulfurization agent analysis method - Part 4: Determination of active calcium oxide content - EDTA complex titration and acid-base titration methods

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