Registration number (WIID)Project No.TitleStatus
70157ISO/TS 21231:2019Water quality — Characterization of analytical methods — Guidelines for the selection of a representative matrixAtcelts
14836ISO 7887:1985Water quality — Examination and determination of colourAtcelts
14808ISO 7875-1:1984Water quality — Determination of surfactants — Part 1: Determination of anionic surfactants by the methylene blue spectrometric methodAtcelts
18013ISO 10048:1991Water quality — Determination of nitrogen — Catalytic digestion after reduction with Devarda's alloyAtcelts
22170ISO/TR 13530:1997Water quality Guide to analytical quality control for water analysisAtcelts
11761ISO 5666-3:1984Water quality Determination of total mercury by flameless atomic absorption spectrometryAtcelts
18592ISO 10523:1994Water quality Determination of pHAtcelts
16932ISO 9280:1990Water quality Determination of sulfate Gravimetric method using barium chlorideAtcelts
14973ISO/DIS 7981-1Water quality — Determination of six specified polynuclear hydrocarbons — Part 1: Thin layer chromatographic method with fluorescence detectionIzstrādē
90908ISO/PWI 16094-1Water quality — Analysis of microplastic in water — Part 1: General and samplingIzstrādē
Displaying 261-270 of 346 results.