Registration number (WIID)Project No.TitleStatus
12053LVS EN 14672:2006 A/LCharacterization of sludges - Determination of total phosphorusAtcelšanā
11511LVS 340:2001Water quality - Determination of nitrogen - Manual method using oxidative digestion with peroxodisulfate and cadmium reductionStandarts spēkā
10380LVS ISO 6060:1989Water quality - Determination of the chemical oxygen demandStandarts spēkā
11658LVS ISO 11261:2002 LSoil quality - Determination of total nitrogen - Modified Kjeldahl methodStandarts spēkā
11169LVS ISO 7875-2:1984Water quality - Determination of surfactants - Part 2: Determination of non-ionic surfactants using Dragedorff reagentStandarts spēkā
11516LVS ISO 13964:2001Air quality - Determination of ozone in ambient air - Ultraviolet photometric methodStandarts spēkā
12073LVS EN ISO 7899-2:2006 LWater quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration methodStandarts spēkā
12074LVS EN ISO 7899-1:2006 +AC LWater quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid mediumStandarts spēkā
11637LVS 409:2002Quality of Environment - Determination of the Biodegradability of Anion Surfactants - Reference methodStandarts spēkā
12081LVS ISO 10694:2006 A/LSoil quality - Determination of organic and total carbon after dry combustion (elementary analysis)Standarts spēkā
Displaying 1-10 of 177 results.