YB/T 4909.2-2021 Active Industry standards-Black metallurgy

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 4909.2-2021 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

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 4909.2-2021

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 the calcium fluoride content using the distillation-zirconium salt titration method. This document is applicable to the determination of the calcium fluoride content in calcium-based desulfurizers used for the pre-treatment of molten steel. The measurement range (mass fraction) is 5.00% to 30.00%.

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 4909.3-2021 Iron and steel pre-treatment using calcium-based desulfurization agent - Analysis methods - Part 3: Determination of sulfur content - Ignition iodometric method YB/T 4909.4-2021 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

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Publish Date: 1985-10-12

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GB/T 5463.3-1986 Replaced

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Publish Date: 1986-09-01

GB/T 14505-1993 Replaced

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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

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