UNE-CEN/TS 17768:2022 Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elements (Endorsed by Asociación Española de Normalización in May of 2022.)
2022UNE-CEN/TS 17768:2022 Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elements (Endorsed by Asociación Española de Normalización in May of 2022.)