Normy GB - Čínské národní normy - strana 212

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1Determination of carbon and sulfur contents—High frequency-infrared absorption method

Norma vydána dne 30.12.2022

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method

Norma vydána dne 18.11.2003

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides— Part 11: Determination of magnesium content—Flame atomic absorption spectrometric method

Norma vydána dne 1.8.2025

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method

Norma vydána dne 25.4.2024

Chemical analysis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--Induct-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum

Norma vydána dne 18.11.2003

Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides—Part 13:Determination of molybdenum and tungsten content
K dispozici od: září 2026

Norma vydána dne 27.2.2026

Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides—Part 13: Determination of molybdenum and tungsten content
K dispozici od: září 2026

Norma vydána dne 27.2.2026

Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals

Norma vydána dne 13.4.2006

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxidesPart 15: Determination of calcium content

Norma vydána dne 13.7.2018

Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 16: Determination of fluorine content - Ion selective electrode analysis

Norma vydána dne 14.1.2011