CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
33673 | LVS EN ISO 5814:2013 | Water quality - Determination of dissolved oxygen - Electrochemical probe method (ISO 5814:2012) | Standarts spēkā |
63237 | LVS EN ISO 5815-1:2020 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019) | Standarts spēkā |
11014 | LVS EN ISO 5961:2000 A | Water quality - Determination of cadmium by atomic absorbtion spectrometry | Standarts spēkā |
10964 | LVS EN ISO 6222:1999 | Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999) | |
10952 | LVS EN ISO 6341:1996 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustracea) - Acute toxicity test | Atcelts |
11124 | LVS EN ISO 6341:1996/AC:1998 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:1996) | Atcelts |
34595 | LVS EN ISO 6341:2013 | Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea) - Acute toxicity test (ISO 6341:2012) | Standarts spēkā |
11015 | LVS EN ISO 6468:1996 | Water quality - Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorrobenzenes - Gas chromatographic method after liquid-liquid extraction | Standarts spēkā |
21805 | LVS EN ISO 6878:2004 A | Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method | Standarts spēkā |
39697 | LVS EN ISO 7027-1:2016 | Water quality - Determination of turbidity - Part 1: Quantitative methods (ISO 7027-1:2016) | Standarts spēkā |
Displaying 661-670 of 800 results.