ГОСТ Стандарт

ГОСТ 23862.14-79

Лантан, гадолиний, иттрий и их окиси. Метод определения примесей окисей неодима, самария, европия и эрбия

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Lanthanum, yttrium and their oxides. Method of determination of neodymium and erbium oxides
1. 1.1. I
2.

7—
3. 3.1. 3.1.1. 3.1.2. 3.2. 4. 4.1.

h c — 4.2.

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nthanum, gadolinium, yttrium and their oxides. Method of determination
io 3.2.1. . 3.2.2.

(