BS EN 13368-2-2012 肥料.通过色谱法测定肥料中的螯合剂.通过离子对色谱法测定o,o-EDDHA、o,o-EDDHMA及HBED中螯合的铁(Fe)
Fertilizers. Determination of chelating agents in fertilizers by chromatography. Determination of Fe chelated by o,o-EDDHA, o,o-EDDHMA and HBED by ion pair chromatography