Aluminium oxide primarily used for the production of aluminium; Determination of silica content; Reduced molybdosilicate spectrophotometric method
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采用标准
GOST R 50332.2-1992,MOD;BS 4140-1967,MOD;GOST 25542.1-1993,IDT;GOST R 50332.2-1992,EQV;NBN T 03-410-1983,IDT;NF T20-206-1973,IDT;BS 4140-1967,EQV;BS 4140-5-1986,IDT;BS 4140-5-1986,IDT