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NF T73-428 ; NF EN 15647:2009-02-01
Surface active agents - Determination of the dispersing effect of surfactants on powder
Edition
2009-02-01
XP U42-760 ; XP CEN/TS 17785:2022-05-25
Organo-mineral fertilizers - Determination of chelating and complexing agents
Edition
2022-05-25
NF T73-430 ; NF EN 17035:2021-09-22
Surface active agents - Bio-based surfactants - Requirements and test methods
Edition
2021-09-22
NF G52-225 ; NF EN ISO 14088:2020-04-08
Leather - Chemical tests - Quantitative analysis of tanning agents by filter method
Edition
2020-04-08
NF G52-234 ; NF EN ISO 17489:2013-12-20
Leather - Chemical tests - Determination of tan content in tanning agents
Edition
2013-12-20
NF T73-407 ; NF EN 12829:2011-05-01
Surface active agents - Preparation of water with known calcium and magnesium hardness
Edition
2011-05-01
NF T73-285 ; NF EN 15109:2007-02-01
Surface active agents - Determination of the active matter content of alkylamidopropylbetaines
Edition
2007-02-01
NF T73-427 ; NF EN 14712:2005-08-01
Surface active agents - Determination of physical stability in alkaline and acid solutions
Edition
2005-08-01
NF T90-122/A1 ; NF EN ISO 16588/A1:2005-12-01
Water quality - Determination of six complexing agents - Gas chromatographic method
Edition
2005-12-01
NF T73-206 ; NF EN 1262:2004-01-01
Surface active agents - Determination of pH value of solutions or dispersions
Edition
2004-01-01
