In this article we will discuss about the colorimetric method for estimation of phosphorus in plants. Principle: When ammonium molybdate solution is added to a solution of phosphate containing conc. H2SO4 it produces a yellow crystalline precipitation of ammonium phospho-molybdate. Phospho-molybdate reacts with amino-naphthol-sulphonic acid and produces a molybdenum complex which forms a blue- coloured […]
Estimation of Phosphorus by Colorimetric Method | Plants
Article Shared by 
