GB/T 4633-2014: Determination of fluorine in coal

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Scope

This Standard specifies the method abstract, reagents and materials, apparatus and
device, measurement steps, result calculation, method precision, and test reports of
using high temperature combustion hydrolysis - fluoride ion selective electrode
(abbreviated as. fluoride electrode) method to determine the fluorine content in coal.
This Standard applies to lignite, bituminous coal, and anthracite.

Basic Data

Standard ID	GB/T 4633-2014 (GB/T4633-2014)
Description (Translated English)	Determination of fluorine in coal
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D21
Classification of International Standard	73.040
Word Count Estimation	10,146
Date of Issue	6/9/2014
Date of Implementation	10/1/2014
Older Standard (superseded by this standard)	GB/T 4633-1997
Quoted Standard	GB/T 483; GB/T 6682
Regulation (derived from)	National Standards Bulletin No. 11 of 2014
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Standard specifies the high-temperature combustion hydrolysis = fluoride ion selective electrode (the fluoride electrode) method for the determination of fluorine content in coal feed methods, reagents and materials, equipment, measurement procedure,