CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
35340 | LVS EN ISO 16265:2012 | Water quality - Determination of the methylene blue active substances (MBAS) index - Method using continuous flow analysis (CFA) (ISO 16265:2009) | Standarts spēkā |
35341 | LVS EN ISO 18857-2:2012 | Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation (ISO 18857-2:2009) | Standarts spēkā |
35341 | EN ISO 18857-2:2011 | Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation (ISO 18857-2:2009) | Izstrādē |
35959 | EN ISO 17994:2014 | Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014) | Izstrādē |
35959 | LVS EN ISO 17994:2014 | Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014) | Standarts spēkā |
36146 | LVS EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Standarts spēkā |
36146 | EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Izstrādē |
36147 | EN 14184:2014 | Water quality - Guidance for the surveying of aquatic macrophytes in running waters | Izstrādē |
36147 | LVS EN 14184:2014 | Water quality - Guidance for the surveying of aquatic macrophytes in running waters | Standarts spēkā |
36148 | LVS EN 14407:2014 | Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes | Standarts spēkā |
Displaying 491-500 of 792 results.