
Disodium tetraborates for industrial use; Determination of sodium oxide and boric oxide contents and loss on ignition
出版:International Organization for Standardization

專家解讀視頻
1ED 1972
GB/T 537-1997 - Equivalent
NFT 20 565:1985 - Equivalent
BS 5688-3:1979 - Equivalent
UNE 55560:1978 (R1998) - Identical