Posted on January 17, 2018January 18, 2018 by Pulse AssentISO 19619:2018 Surface active agents. Determination of free propylene oxide content in propylene oxide adduct surfactants . GC method Link: ISO 19619:2018 Surface active agents. Determination of free propylene oxide content in propylene oxide adduct surfactants . GC method Source: BSI Standards Related Posts:Joint statement on the launch of Free Trade…Philippines eligible for duty free access to…Joint Statement on the launch of the negotiations…Liz Truss visits US to foster closer cooperation on…New trade report argues UK should reject 'green…