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

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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

Pages: 16 pages

Scope

This document describes the methods for determining the arsenic content in fluorite, including atomic fluorescence spectrometry (Method I) and silver diethyl dithiocarbamate spectrophotometry (Method II).
This document is applicable to the determination of arsenic content in fluorite. The measurement range (mass fraction) of atomic fluorescence spectrometry is 0.000 010% to 0.010 0%; the measurement range (mass fraction) of silver diethyl dithiocarbamate spectrophotometry is 0.000 20% to 0.050 0%.

Development Information

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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