Item: Ammonium sulphate Model Number: J1-128 Specification:   Item Standard   Excellent Grade   First-class goods Qualified products Test result Nitrogen Content % 21 21 20.5 21.1 Moisture % 0.2 0.3 1 0.1 Free acidity(H2SO4) % 0.03 0.05 0.2 0.03 Fe content % 0.007     0.002 Arsenic  content % 0.00005     0.00001 Heavy metal % 0.005     0.005 Water-insoluble content % 0.01     0.004 Payment & Shipping Terms: Price: FOB USD 220~270 / Metric Ton Get Latest Price Minimum Order Quantity:   100 Metric Ton/Metric Tons Port: Xingang Port Packaging Details: 50kg pp bag with film inside or according to the buyer's request. Delivery Time: Within 10 days after receiving the order Payment Terms: L/C,T/T,Western Union Supply Ability: 5,000 Metric Ton/Metric Tons per Month