NF T73-297*NF EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method.
2008NF T73-297*NF EN 15608:2008 Surface active agents - Quantitative determination of free fatty acid in alkylamidopropylbetaines - Gas-chromatographic method.