Determination of phosphorus and potassium in commercial inorganic fertilizers by inductively coupled plasma-optical emission spectrometry : single-laboratory validation, first action 2015.18 /
Nancy J. Thiex.
YS2017 M01
Potassium. Inorganic acids.
ARTICLE (Eng)
Journal of AOAC International 99 (4) 2016 : 914-922 1060-3271