CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
11084 | LVS EN ISO 7393-1:2001 | Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N, N-diethyl-1, 4-phenylenediamine | Standarts spēkā |
11085 | LVS EN ISO 7393-2:2001 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N, N-diethyl-1, 4-phenylenediamine for routine control purposes | Atcelts |
11085 | EN ISO 7393-2:2000 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N, N-diethyl-1, 4-phenylenediamine, for routine control purposes (ISO 7393-2:1985) | Atcelts |
11086 | LVS EN ISO 7393-3:2001 | Water quality - Determination of free chlorine and total chlorine - Part 3: Iodometric titration method for the determination of total chlorine | Standarts spēkā |
11086 | EN ISO 7393-3:2000 | Water quality - Determination of free chlorine and total chlorine - Part 3: Iodometric titration method for the determination of total chlorine (ISO 7393-3:1990) | Izstrādē |
11087 | LVS EN ISO 7980:2000 | Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) | |
11087 | EN ISO 7980:2000 | Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) | Izstrādē |
11088 | EN ISO 12020:2000 | Water quality - Determination of aluminium - Atomic absorption spectrometric methods (ISO 12020:1997) | Izstrādē |
11088 | LVS EN ISO 12020:2005 | Water quality - Determination of aluminium - Atomic absorption spectrometric methods | Standarts spēkā |
11089 | LVS EN ISO 15587-1:2002 A | Water quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestion | Standarts spēkā |
Displaying 221-230 of 792 results.