Description
APPLICATION:
The largest use of monoammonium phosphate by weight is in agriculture, as an ingredient of fertilizers. It supplies soil with nitrogen and phosphorus elements in a form that plants use. Its NPK label is 12-61-0 (12-27-0), meaning that it contains 12% by weight of elemental nitrogen and (nominally) 61% of phosphorus pentoxide P
2O5, or 27% of elemental phosphorus.
The compound is also a component of the ABC powder in some dry chemical fire extinguishers.






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