Samarium-europium-gadolinium concentrates--Determination of total rare earth oxide content--Gravimetric method

NEPLATNÁ vydána dne 1.1.1989

Samarium-europium-gadolinium concentrates--Determination of total rare earth oxide content--Gravimetric method

NEPLATNÁ vydána dne 31.3.1989

Samarium-europium-gadolinium concentrates--Determination of samrium oxide, europium oxide, gadolinium oxide, ytterbium oxide contents--Chromatographic separation with p507 extraction resin and DTPA titrimetric method

NEPLATNÁ vydána dne 1.1.1989

Samarium-europium-gadolinium concentrates--Determination of samrium oxide,europium oxide,gadolinium oxide,ytterbium oxide contents--Chromatographic separation with p507 extraction resin and DTPA titrimetric method

NEPLATNÁ vydána dne 31.3.1989

Samarium-europium-gadolinium concentrates - Determination of samarium oxide, europium oxide, gadolinium oxide contents - X ray fluorescence spectrometric method

NEPLATNÁ vydána dne 1.1.1989

Samarium-europium-gadolinium concentrates --Determination of samarium oxide,europium oxide,gadolinium oxide and ytterbium oxide contents --X-ray fluorescenae spectrometic method

NEPLATNÁ vydána dne 31.3.1989

Gold—Determination of gold content—Fire assaying method

NEPLATNÁ vydána dne 31.3.1989

Gold—Determination of silver content—Flame atomic absorption spectrometric method

NEPLATNÁ vydána dne 31.3.1989

Gold—Determination of iron content—Flame atomic absorption spectrometric method

NEPLATNÁ vydána dne 31.3.1989

Gold—Determination of copper, lead, bismuth and antimony contents—Flame atomic absorption spectrometric method

NEPLATNÁ vydána dne 31.3.1989