GB/T 17863-1999
Determination of thorium in thorium ores N263 separation EDTA titration method (English Version)

Standard No.

GB/T 17863-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2009-04

Replace By

GB/T 17863-2008

Latest

GB/T 17863-2008

Scope

This standard specifies the N263 separation EDTA titration method for thorium in thorium ore. This standard is applicable to the determination of thorium content in granite, volcanic rock, and alkaline rock type thorium ores, and also to the determination of thorium compounds such as thorium oxide. The measuring range is 0.02%～n%, where 1

GB/T 17863-1999 history

• 2008 GB/T 17863-2008 Determination of thorium in thorium ores
• 1999 GB/T 17863-1999 Determination of thorium in thorium ores N263 separation EDTA titration method