Posted on December 19, 2017December 20, 2017 by Pulse AssentISO 7393-2:2017 Water quality. Determination of free chlorine and total chlorine Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes Link: ISO 7393-2:2017 Water quality. Determination of free chlorine and total chlorine Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes Source: BSI Standards Related Posts:UK to launch talks with Switzerland on new trade dealUK agrees new strategic partnership with SingaporeLandmark post-Brexit trade deals to come into force…UK and Turkey to negotiate new trade dealMinister hails ‘world-class’ exporters as new data…
