GB/T 3286.1-2012: Methods for chemical analysis of limestone and dolomite - Part 1: The determination of calcium oxide and magnesium oxide content - The complexometric titration method and the flame atomic absorption spectrometric method

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Scope

This Part of GB/T 3286 specifies the determination of calcium oxide and
magnesium oxide content by complexometric titration method and the
determination of magnesium oxide content by atomic absorption spectrometric
method.
This Part applies to the determination of calcium oxide content and magnesium
oxide content in limestone and dolomite. It also applies to the determination of
calcium oxide content and magnesium oxide content in metallurgical lime.
Complexometric titration method, determination range (mass fraction). calcium
oxide content is greater than 20 %, magnesium oxide content is greater than
2.5 %; atomic absorption spectrometric method, determination range (mass
fraction). magnesium oxide content is 0.1 % ~ 2.5 %.

Basic Data

Standard ID	GB/T 3286.1-2012 (GB/T3286.1-2012)
Description (Translated English)	Methods for chemical analysis of limestone and dolomite - Part 1: The determination of calcium oxide and magnesium oxide content - The complexometric titration method and the flame atomic absorption spectrometric method
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	D52
Classification of International Standard	73.080
Word Count Estimation	18,152
Older Standard (superseded by this standard)	GB/T 3286.1-1998
Quoted Standard	GB/T 2007.2; GB/T 3286.2; GB/T 3286.3; GB/T 3286.4; GB/T 6379.2; GB/T 6682; GB/T 7728; GB/T 8170
Regulation (derived from)	National Standards Bulletin 2012 No. 28
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 complexometric titration of calcium oxide and magnesium oxide content and the use of atomic absorption spectrometry determination of magnesium oxide content. This section applies to limestone, dolomite calcium oxide and magnesi