Registration number (WIID)Project No.TitleStatus
10976LVS EN ISO 9887:2000Water quality - Evalution of the aerobic biodegrability of organic compounds in an aquenous medium by the semi-continuous activated sludge methodStandarts spēkā
11071LVS EN ISO 9888:2000Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium - Static test (Zahn-Wellens method)Standarts spēkā
10993LVS EN ISO 9963-1:1995 AWater quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinityStandarts spēkā
11047LVS EN ISO 9963-2:1995 AWater quality - Determination of alkalinity - Part 2: Determination of carbonate alkalinityStandarts spēkā
10996LVS ENV 12260:2001 AWater quality - Determination of nitrogen - Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detectionAtcelts
11005LVS ENV ISO 13530:2003Water quality - Guide to analytical quality control for water analysisAtcelts
11110LVS ENV ISO 13843:2002Water quality - Guidance on validation of microbiological methodsAtcelts
21806prEN 1233:1996 revWater quality - Determination of chromium - Atomic absorption spectrometric methodsIzstrādē
11052prEN 12780Water quality - Detection and enumeration of Pseudomonas Aeruginosa in bottled waterIzstrādē
75672prEN 13946 revWater quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakesIzstrādē
Displaying 731-740 of 813 results.