GB/T 5195.12-2025 Active National standards

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

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

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Metallurgical auxiliary raw material minerals

ICS Name: -

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

本文件描述了萤石中砷含量的测定方法，包括原子荧光光谱法（方法一）和二乙基二硫代氨基甲酸银光度法（方法二）。
本文件适用于萤石中砷含量的测定。原子荧光光谱法测定范围（质量分数）：0.000 010%～0.010 0%；二乙基二硫代氨基甲酸银光度法测定范围（质量分数）：0.000 20%～0.050 0%。

Development Information

Drafting Units:

上海海关工业品与原材料检测技术中心、冶金工业信息标准研究院、中国地质大学(武汉)、中国非金属矿工业协会

Drafting Persons:

上海海关工业品与原材料检测技术中心、冶金工业信息标准研究院、中国地质大学(武汉)、中国非金属矿工业协会

Word Count: 21 Thousand words Pages: 16 pages

Same series standard

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

Replace the following standards

GB/T 5195.12-2016 Fluorite—Determination of arsenic content—Atomic fluorescence spectrometry GB/T 5195.19-2018 Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method

Referenced Standards

GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method 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 12808-1991 Laboratory glassware—One-mark pipettes GB/T 12808-2015 Laboratory glassware—One mark pipettes GB/T 21191-2007 Atomic fluorescence spectrometer GB/T 22564-2008 Fluorspar—Sampling and sample preparation

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