Fertilizers — Determination of extracted phosphorus
肥料 - 提取磷的测定
发布日期:
2016-07-14
ISO 15959:2016规定了肥料提取物中磷的测定方法。
该方法适用于所有肥料提取物,用于测定不同形式的磷,如溶于无机酸的磷、水溶性磷、溶于柠檬酸铵溶液的磷、溶于2%柠檬酸的磷和溶于2%甲酸的磷。
ISO 15959:2016 specifies a method for the determination of phosphorus in fertilizer extracts.
The method is applicable to all extracts of fertilizers for the determination of the different forms of phosphorus as phosphorus soluble in mineral acids, water soluble phosphorus, phosphorus soluble in solutions of ammonium citrate, phosphorus soluble in 2 % citric acid and phosphorus soluble in 2 % formic acid.