Prezentul standard se refera la indica?iile generale privind :
— preg?tirea probei destinate analizei chimice;
— prescrip?iile de lucru necesare efectu?rii analizelor chimice.
STAS 9272/1-1981 history
1981STAS 9272/1-1981 ZIRCONIG REFRACTORY PRODUCTS METHODS OF ANALYS General specifications for chemical analysis carrying out