DIN EN 16964:2016-03

This document specifies the procedure for total extraction of boron, cobalt, copper, iron, manganese, molybdenum and zinc with aqua regia from mineral fertilizers containing one or more micro-nutrients. Afterwards the received extracts can be analysed using the appropriate instrumental methods for determination according to prEN 16963 and prEN 16965. This method is also suitable for the extraction of cadmium, chromium, nickel and lead to be determined according to EN 16319, the extraction of mercury to be determined according to EN 16320 and the extraction of arsenic to be determined according to EN 16317.