CEN/TC 223
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
69555 | EN 12580:2022 | Soil improvers and growing media - Determination of a quantity | Izstrādē |
10328 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 4: Determination of magnesium content | Izstrādē |
69626 | prEN 16087-1 rev | Soil improvers and growing media - Determination of the aerobic biological activity - Part 1: Oxygen uptake rate (OUR) | Izstrādē |
10380 | EN 13654-1:2001 | Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method | Izstrādē |
77935 | prEN XXX | Soil improvers and growing media — Determination of the chloride content | Izstrādē |
70757 | prEN XXX | Soil improvers and growing media - Enumeration of Escherichia coli | Izstrādē |
69554 | prEN 17733 | Soil improvers and growing media - Overview of sampling and sample preparation methods | Izstrādē |
70768 | prEN XXX | Soil improvers and growing media - Determination of mercury in aqua regia extracts | Izstrādē |
27080 | CEN/TS 16202:2013 | Sludge, treated biowaste and soil - Determination of impurities and stones | Izstrādē |
10355 | - | Soil improvers and growing media - Determination of titrable acidity/alkalinity | Izstrādē |
Displaying 61-70 of 159 results.