DIN CEN/TS 16490 Fertilizers - Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions; German version CEN/TS 16490:2013

standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2013