Registration number (WIID)Project No.TitleStatus
14842ISO 7890-3:1988Water quality — Determination of nitrate — Part 3: Spectrometric method using sulfosalicylic acidStandarts spēkā
14841ISO 7890-2:1986Water quality — Determination of nitrate — Part 2: 4-Fluorophenol spectrometric method after distillationAtcelts
14841ISO 7890-2:1986Water quality Determination of nitrateAtcelts
14840ISO 7890-1:1986Water quality — Determination of nitrate — Part 1: 2,6-Dimethylphenol spectrometric methodAtcelts
14840ISO 7890-1:1986Water quality Determination of nitrateAtcelts
14838ISO 7888:1985Water quality — Determination of electrical conductivityStandarts spēkā
14837ISO 7887:1994Water quality — Examination and determination of colourAtcelts
14836ISO 7887:1985Water quality — Examination and determination of colourAtcelts
14809ISO 7875-2:1984Water quality — Determination of surfactants — Part 2: Determination of non-ionic surfactants using Dragendorff reagentStandarts spēkā
14808ISO 7875-1:1984Water quality — Determination of surfactants — Part 1: Determination of anionic surfactants by the methylene blue spectrometric methodAtcelts
Displaying 281-290 of 346 results.