Normy GB - Čínské národní normy - strana 219

The methods for chemical analysis of zinc and zinc alloys--The determination of antimony content--The atomic fluorescence spectrometer and the flame atomic absorption spectrometric method

Norma vydaná dňa 30.4.2004

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 vydaná dňa 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 vydaná dňa 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 vydaná dňa 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 vydaná dňa 25.4.2024

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 vydaná dňa 25.4.2024

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

Norma vydaná dňa 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

Norma vydaná dňa 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 vydaná dňa 13.4.2006

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

Norma vydaná dňa 13.7.2018