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Ammonium Sulfate

Nitrogen and sulfur fertilizer for sulfur-responsive crops and alkaline soils.

Commercial overview

Contract basis,
clearly defined.

Ammonium sulfate is supplied as crystalline or granular material by nitrogen, sulfur, free acidity, moisture and particle size.

Reference basisFAO reference
Detailed specification

Quality acceptance matrix

Values are commercial reference points—not an offer or automatic guarantee. Use the current official standard and agreed contract schedule for procurement.

ParameterReference requirementTest method / basis
Total nitrogen, dry basis20% minimumRecognized fertilizer analysis
Sulfur as S23% minimumRecognized fertilizer analysis
Moisture1.0% maximumGravimetric
Free acidity as H₂SO₄0.025% maximumTitration
Particle size90% between 1–2.8 mm referenceSieve analysis
Material below 1 mm5% maximumSieve analysis
FormCrystalline or granular, free flowingVisual
PackagingBulk / bags by contractContract
Applications

Where the product is used

  • Cereals and oilseeds
  • Sulfur-responsive crops
  • Fertilizer blending
  • Alkaline-soil nutrient programs
Required documents

Transaction file

  • Certificate of analysis
  • Certificate of origin
  • Safety data sheet
  • Packing and weight report
  • Regulatory conformity documents
Primary reference

Verify the current edition

Standards are revised over time. Procurement must confirm the current edition and destination law.

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