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

NEPLATNÁ vydána dne 11.9.2015

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

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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

NEPLATNÁ vydána dne 1.1.1990

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method

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

NEPLATNÁ vydána dne 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

NEPLATNÁ vydána dne 18.11.2003

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

NEPLATNÁ vydána dne 1.1.1990

Lanthanum oxide, cerium oxide, neodymium oxide, gadolinium oxide--Determination of cobalt, iron, manganese, nichel, copper, ckromium, lead and zinc in oxides contents--Emission spectrographic method

NEPLATNÁ vydána dne 1.1.1990

Rare-earth metals and their oxides--Determination of thorium content--Arsenazo IIIspectrophotometric method

NEPLATNÁ vydána dne 1.1.1990

Chemical analysis methods for non-rare earth metals and their oxide—Determination of calcium oxide content

NEPLATNÁ vydána dne 13.4.2006