ISO/TC 190/SC 3
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 23140 | ISO 14235:1998 | Soil quality — Determination of organic carbon by sulfochromic oxidation | Atcelts |
| 23140 | ISO 14235:1998 | Soil quality — Determination of organic carbon by sulfochromic oxidation | Standarts spēkā |
| 23117 | ISO 13878:1998 | Soil quality — Determination of total nitrogen content by dry combustion ("elemental analysis") | Standarts spēkā |
| 23117 | ISO 13878:1998 | Soil quality — Determination of total nitrogen content by dry combustion ("elemental analysis") | Standarts spēkā |
| 23116 | ISO 13877:1998 | Soil quality Determination of polynuclear aromatic hydrocarbons Method using high -performance liquid chromatography | Atcelts |
| 23116 | ISO 13877:1998 | Soil quality — Determination of polynuclear aromatic hydrocarbons — Method using high -performance liquid chromatography | Atcelts |
| 23082 | ISO/DIS 14256-1 | Soil quality — Determination of nitrate, nitrite and ammonium in field moist soils by extraction with potassium chloride solution — Part 1: Manual method | Izstrādē |
| 23081 | ISO 14255:1998 | Soil quality — Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant | Standarts spēkā |
| 23081 | ISO 14255:1998 | Soil quality — Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant | Standarts spēkā |
| 22919 | ISO 14254:2001 | Soil quality — Determination of exchangeable acidity in barium chloride extracts | Atcelts |
Displaying 131-140 of 169 results.