DS DS/EN 15920
DS DSEN 15920 2011-JUL-07 Fertlzers - Extracton of phosphorus soluble n 2 ctrc acd
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This European Standard specifies the procedure for the determination of phosphorus soluble in 2 % citric acid (20 g/l). The method is applicable only to types of basic slag (see [1], Annex I A).