GB/T 40795.1-2021
Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1: Determination of cerium content—Ammonium ferrous sulfate titration method (English Version)

Standard No.

GB/T 40795.1-2021

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 40795.1-2021

Scope

This document specifies a method for the determination of cerium content in lanthanum cerium metal and its compounds. This document is applicable to the determination of cerium content in lanthanum cerium metal, and the determination of cerium oxide in lanthanum cerium oxide, lanthanum cerium carbonate and lanthanum cerium chloride. The determination range is shown in Table 1. Table 1 Determination range of sample lanthanum cerium metal lanthanum oxide cerium lanthanum carbonate cerium lanthanum cerium chloride Determination range (mass fraction) %55.00~85.00 55.00~85.00 25.

GB/T 40795.1-2021 Referenced Document

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

GB/T 40795.1-2021 history

• 2021 GB/T 40795.1-2021 Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1: Determination of cerium content—Ammonium ferrous sulfate titration method

GB/T 40795.1-2021 -All Parts