ISO/TC 190/SC 3
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
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 |
22898 | ISO/CD 14154 | Soil quality — Determination of phenols and chlorophenols | Izstrādē |
22180 | ISO 13536:1995 | Soil quality — Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8,1 | Standarts spēkā |
22180 | ISO 13536:1995 | Soil quality — Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8,1 | Atcelts |
20886 | ISO 11465:1993 | Soil quality — Determination of dry matter and water content on a mass basis — Gravimetric method | Standarts spēkā |
20886 | ISO 11465:1993 | Soil quality — Determination of dry matter and water content on a mass basis — Gravimetric method | Standarts spēkā |
19418 | ISO 11466:1995 | Soil quality — Extraction of trace elements soluble in aqua regia | Atcelts |
19415 | ISO 11464:1994 | Soil quality Pretreatment of samples for physico-chemical analyses | Atcelts |
19415 | ISO 11464:1994 | Soil quality — Pretreatment of samples for physico-chemical analyses | Atcelts |
Displaying 141-150 of 171 results.