Composition:
20 % total nitrogen (N) of which 6 % nitric nitrogen, 4 % ammoniacal nitrogen and
10 % ureic nitrogen
20 % water-soluble phosphorus pentoxide (P2O5)
20 % water-soluble potassium oxide (K2O), poor in chlorine
Magnesia-enriched formulae are also available.
0.010 % water-soluble boron (B)
0.0075 % water-soluble copper (Cu), ETDA chelated
0.026 % water-soluble iron (Fe), ETDA chelated
0.032 % water-soluble manganese (Mn), ETDA chelated
0.023 % water-soluble zinc (Zn), ETDA chelated
pH range for a good ETDA stability: 2-8

Physical specifications:
Coloring: blue
Appearance: crystal powder
Humidity: max. 0.5 %
Maximum solubility in distilled water at 20°C: 590 g/l