Registration number (WIID)Project No.TitleStatus
13274ISO 6778:1984Water quality — Determination of ammonium — Potentiometric methodStandarts spēkā
18417ISO 10359-2:1994Water quality — Determination of fluoride — Part 2: Determination of inorganically bound total fluoride after digestion and distillationStandarts spēkā
28636ISO 9174:1998Water quality — Determination of chromium — Atomic absorption spectrometric methodsStandarts spēkā
18416ISO 10359-1:1992Water quality — Determination of fluoride — Part 1: Electrochemical probe method for potable and lightly polluted waterStandarts spēkā
15249ISO 8165-1:1992Water quality — Determination of selected monovalent phenols — Part 1: Gas-chromatographic method after enrichment by extractionStandarts spēkā
18599ISO 10530:1992Water quality — Determination of dissolved sulfide — Photometric method using methylene blueStandarts spēkā
17871ISO 9964-3:1993Water quality — Determination of sodium and potassium — Part 3: Determination of sodium and potassium by flame emission spectrometryStandarts spēkā
13143ISO 6703-3:1984Water quality — Determination of cyanide — Part 3: Determination of cyanogen chlorideStandarts spēkā
13141ISO 6703-1:1984Water quality — Determination of cyanide — Part 1: Determination of total cyanideStandarts spēkā
14842ISO 7890-3:1988Water quality — Determination of nitrate — Part 3: Spectrometric method using sulfosalicylic acidStandarts spēkā
Displaying 321-330 of 345 results.