硫酸铵

Ammonium sulfate Specifications Nitrogen Content :21%min Sulphate :24%min Moisture:0.2%max Free acidity(H2SO4):0.03%max Iron(Fe):0.0007% max Heavy metals(Pb):0.0005% max Moisture:0.40%max Application: 1.In agriculture, used for nitrogen fertilizer. It is a kind of action fertilizer,which can make crops thrive and improve fruit quality and yield and strengthen resistance to disaster, can be used for common soil and plant in basic fertilizer, additional fertilizer and seed manure. It can be suitable specially for soil with lack of sulfer, but for acid soil, ammonium sulfate needs to be applied with lime. 2. Raw material of making compound fertilizer. 3. In chemical industry, it is used for raw material in making oxydol, ammonia-alum and ammonium chloride; 4. In Welding Industry, used for welding agent; 5. In textile industry, ued for fire retardant of textile fabrics; 6. In electroplating industry, used for electrobath additive; 7. Ammonium sulfate can be used for making refractory material; 8. catalyst in food coloring reddish brown;