Chemical analysis of magnesia and magnesia-alumina refractory materials—Flame atomic absorption spectrometric method for determination of potassium oxide and sodium oxide content
NORMA vydána dne 7.12.2001
Designation standards: GB/T 5069.13-2001
Note: NEPLATNÁ
Publication date standards: 7.12.2001
Country: Chinese technical standard
Kategorie: Technické normy GB