LVS/STK/25
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10987 | LVS ISO 7996:2001 | Ambient air - Determination of the mass concentration of nitrogen oxides - Chemiluminescence method | Standarts spēkā |
| 11056 | LVS EN 1899-1:1998 | Water quality - Determination of biochemical oxygen demand after n days (BOD n ) - Part 1: Dilution and seeding method with allylthiourea addition | Atcelts |
| 11148 | LVS ISO 9096:1992 | Stationary source emissions - Determination of concentration and mass flow rate of particulate material in gas-carrying ducts - Manual gravimetric method | Atcelts |
| 11149 | LVS EN 872:1996 | Water quality - Determination of suspended solids - Method by filtration through glass fibre filters | Atcelts |
| 11152 | LVS ISO 6777:1984 | Water quality - Determination of nitrite - Molecular absorption spectrometric method | Standarts spēkā |
| 11153 | LVS ISO 7150-1:1984 | Water quality - Determination of ammonium - Part 1: Manual spectrometric method | Standarts spēkā |
| 11168 | LVS ISO 8199:1988 | Water quality - General guide to the enumeration of micro-organisms by culture | Atcelts |
| 11169 | LVS ISO 7875-2:1984 | Water quality - Determination of surfactants - Part 2: Determination of non-ionic surfactants using Dragedorff reagent | Standarts spēkā |
| 11243 | LVS ISO 7875-1:1996 | Water quality - Determination of surfactants - Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS) | Standarts spēkā |
| 11258 | LVS ISO 10396:1993 | Stationary source emissions - Sampling for the automated determination of gas concentrations | Atcelts |
Displaying 61-70 of 177 results.