LVS/STK/25
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11511 | LVS 340:2001 | Water quality - Determination of nitrogen - Manual method using oxidative digestion with peroxodisulfate and cadmium reduction | Standarts spēkā |
| 11923 | LVS EN ISO 3696:2005 L | Water for analytical laboratory use - Specification and test methods | Standarts spēkā |
| 11169 | LVS ISO 7875-2:1984 | Water quality - Determination of surfactants - Part 2: Determination of non-ionic surfactants using Dragedorff reagent | Standarts spēkā |
| 11510 | LVS 339:2001 | Water quality - Determination of nitrite - Manual cadmium reduction method | Standarts spēkā |
| 12081 | LVS ISO 10694:2006 A/L | Soil quality - Determination of organic and total carbon after dry combustion (elementary analysis) | Standarts spēkā |
| 11833 | LVS EN ISO 8689-2:2004 L | Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates | Standarts spēkā |
| 11831 | LVS EN ISO 8689-1:2004 L | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates | Standarts spēkā |
| 10934 | LVS ISO 5664:2004 L /NAC:2007 | Water quality; Determination of ammonium; Distillation and titration method | Standarts spēkā |
| 11920 | LVS EN ISO 6878:2005 A/L | Water quality - Determination of phosphorus - Ammonium molybdate spectrometric method | Standarts spēkā |
| 11548 | LVS ISO 12884:2001 | Ambient air - Determination of total (gas- and particle-phase) polycyclic aromatic hydrocarbons - Collection on sorbent-backed filters with gas chromatographic/mass spectrometric analyses | Standarts spēkā |
Displaying 21-30 of 177 results.