Registration number (WIID)Project No.TitleStatus
11961ISO 5814:1990Water quality — Determination of dissolved oxygen — Electrochemical probe methodAtcelts
11960ISO 5814:1984Water quality — Determination of dissolved oxygen — Electrochemical probe methodAtcelts
11959ISO 5813:1983Water quality — Determination of dissolved oxygen — Iodometric methodStandarts spēkā
11761ISO 5666-3:1984Water quality — Determination of total mercury by flameless atomic absorption spectrometry — Part 3: Method after digestion with bromineAtcelts
11761ISO 5666-3:1984Water quality Determination of total mercury by flameless atomic absorption spectrometryAtcelts
11760ISO 5666-2:1983Water quality — Determination of total mercury by flameless atomic absorption spectrometry — Part 2: Method after pretreatment with ultraviolet radiationAtcelts
11759ISO 5666-1:1983Water quality — Determination of total mercury by flameless atomic absorption spectrometry — Part 1: Method after digestion with permanganate-peroxodisulfateAtcelts
11758ISO/CD 5665Water quality — Determination of nitrate content — Cadmium reduction methodIzstrādē
11757ISO 5664:1984Water quality — Determination of ammonium — Distillation and titration methodStandarts spēkā
11757ISO 5664:1984Water quality — Determination of ammonium — Distillation and titration methodStandarts spēkā
Displaying 331-340 of 345 results.