ISO 5933:1980废止
Boric acid, boric oxide, disodium tetraborates and crude sodium borates for industrial use; determination of total nickel content of boric acid, boric oxide and disodium tetraborates and the alkali-soluble nickel content of crude sodium bor
出版：International Organization for Standardization
专家解读视频
1ED 1980
NFT 20 562:1985 - Equivalent
NFT 20 561:1985 - Equivalent
NFT 20 565:1985 - Equivalent
NFT 20 564:1985 - Equivalent
BS 5688-23:1981 - Identical
