Posted on February 6, 2019February 7, 2019 by Pulse AssentISO/TS 21231:2019 Water quality. Characterization of analytical methods. Guidelines for the selection of a representative matrix Link: ISO/TS 21231:2019 Water quality. Characterization of analytical methods. Guidelines for the selection of a representative matrix Source: BSI Standards Related Posts:UK signs landmark economic partnership with NigeriaOne-stop-shop to help businesses save money and go greenNew plans to boost health in the workplace to keep…Government takes action to back small businesses and…New laws to introduce digital labelling for…