DIN CEN/TS 16196:2011 Fertilizers - Manganimetric determination of extracted calcium following precipitation in the form of oxalate; German version CEN/TS 16196:2011
2013DIN EN 16196:2013 Fertilizers.Manganimetric determination of extracted calcium following precipitation in the form of oxalate; German version EN 16196:2012
2011DIN CEN/TS 16196:2011 Fertilizers - Manganimetric determination of extracted calcium following precipitation in the form of oxalate; German version CEN/TS 16196:2011