GB/T 40798-2021
Chemical analysis method of ion-adsorption rare earth ore—Determination of total rare earth contents—Inductively coupled plasma mass spectrometry (English Version)

Standard No.

GB/T 40798-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 40798-2021

Scope

This document specifies the method for the determination of the total amount of rare earth in ionic rare earth ore. This document is applicable to the determination of the total amount of rare earth in ionic rare earth ore. Measuring range (mass fraction): 0.010%~0.50%.

GB/T 40798-2021 Referenced Document

• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 40798-2021 history

• 2021 GB/T 40798-2021 Chemical analysis method of ion-adsorption rare earth ore—Determination of total rare earth contents—Inductively coupled plasma mass spectrometry