Standards GB - Chinese national standards - Page 5745

Zinc and zinc alloys—Determination of copper content—Flame atomic absorption spectrometric method

WITHDRAWN published on 30.12.1990

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WITHDRAWN published on 1.1.1977

Lanthanum oxide--Determination of cerium oxide, praseodymium oxide, nedeodynium oxide, samarium oxide and yttrium oxide--Induetively coupled plasma atomic emission spectrographic method

WITHDRAWN published on 1.1.1990

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

WITHDRAWN published on 19.11.2002

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

WITHDRAWN published on 11.9.2015

Gadolinium oxide--Determination of samarium oxide, europium oxide, terbium oxide, dysprosium oxide and yttrium oxide contents--Emission spectrographic method

WITHDRAWN published on 1.1.1990

Terbium oxide--Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, erbium oxide and yttrium oxide contents--Emission spectrogra

WITHDRAWN published on 1.1.1990

Neodymium and samarium--Determination of oxygen content--Impulse-infrared absorption method

WITHDRAWN published on 1.1.1990

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides Determination of thorium content Arsenazo III spectrophotometric method and Inductively coupled plasma mass spectrum method

WITHDRAWN published on 18.11.2003

Neodymium and samarium--Determination of carbon content--High frequency--Infrared absorption method

WITHDRAWN published on 1.1.1990