Cobalt ammonium phosphate, CoNH4PO 4.12H 2 0, is formed when a soluble cobalt salt is digested for some time with excess of a warm solution of ammonium phosphate.
The same reaction is made use of in the quantitative determination of magnesium, the white precipitate of magnesium ammonium phosphate being converted by ignition into magnesium pyrophosphate and weighed as such.
The second most common type, accounting for 6-20% of renal stones, is formed from struvite (magnesium ammonium phosphate ).
Diffusion rates vary between nutrients (nitrate ammonium phosphate ).
By the early twentieth century, most manufacturing of fertilizer had switched to the synthetic production of ammonium sulfate and ammonium phosphate.
