The analysis of fertilizers - Part 4: Method for the determination of phosphorus
(Second revision)
This part of Malaysian Standard specifies method for the determination of phosphorus in the fertilizers. The phosphorus content is expressed in the form of P2O5.
1.1 Total phosphorus (as P2O5)
1.2 Water-soluble phosphorus (as P2O5)
1.3 Citric acid-soluble phosphorus (as P2O5)
1.4 Neutral ammonium citrate-soluble phosphorus (as P2O5)
1.5 Formic acid-soluble phosphorus (as P2O5)
1.6 Free phosphoric acid phosphorus (as P2O5)
