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Diammonium Phosphate

Diammonium phosphate is produced by neutralizing wet-process phosphoric acid with ammonia. Diammonium phosphate is a balanced and neutral nitrogen-phosphorus fertilizer that is well soluble in water. It may be utilized in all kinds of soil for fertilizing various crops and plants in the fields, gardens, orchards and flower gardens.

Diammonium phosphate quality parameters

Parameter

Normal value

N:P (S)/
18:46 (2.5)

Nitrogen (N) content by mass (%)

18

Total phosphates (P2O5), content by mass (%)

46

Water content by mass (%), not more than

1,8

Granulometric composition.

          Granules, content by mass: 2-5 mm, %, not less than

95

Static granule strength, Mpa (kgf/cm2), not less than

3.0 (30)

Sulphur (S) content by mass (%)

2,5

Negative values of deviations allowed in respect of the nutrient contents
(absolute value in percentage by mass)

Nitrogen (N), %, not more than

1,1

Phosphates (P2O5), %, not more than

1,1

Total negative deviations from the declared value, %, not more than

1,5

Sulphur (S), %

0,36

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