
Acetic acid for industrial use; Methods of test Part 9 : Visual limit test for inorganic sulphates
出版:International Organization for Standardization

專家解讀視頻
1ED 1981
SS ISO 753-9 Ed. 1 (1993) - Identical
BS 576-2:1988 - Equivalent
NFT 20 630:1984 - Identical
DIN 50922 (1985-10) - Similar
JIS K 1351:2007 - Equivalent