1. The properties:
Ammonium sulphate, molecular formula (NH4) 2 so4, molecular weight of 132.14. pH value of 0.1M solution is 5.5, Density is 1.769 g/cm3 (20 °C), hygroscopic, soluble in water insoluble in acetone, alcohol and ether.
2. Specifications:
| Items |
Standard （GB535-1995) |
Testing result |
| Nitrogen (% ≥) |
21 |
21.1 |
| Sulfur |
23.5 |
24 |
| Moisture |
0.5 |
0.3 |
| Free Acid （% ≤） |
0.03 |
0.02 |
3.Packaging, storage and transportation
Packing: 20kg, 25kg, 50Kg PP woven bag with PE inner bag or composite plastic woven bag.1MT (1000kg) or 1.1MT (1100kg) jumbo bag. Shrink-wrapped with pallet is available. Kept in dry and place, avoid moisture, water, rain and fire, normal transportation. When ammonium sulphate in the transportation and outdoor storage, It should be keep Away from moisture, insolation, rain & high temperature. Should storage in flatness ground within a ventilating low-temperature dry warehouse. In order to prevent deterioration, In the same warehouse, strictly prohibit store nearby alkaline substances, such as lime, cement and plant ash. The stacking height should be less than 7 meters.
4. The usage:
It is one of the most common use and most typical inorganic nitrogen fertilizer. It is the best fast release, quick acting fertilizer, can be directly used for a variety of soil and crops, can be used as kinds of seed fertilizers, base fertilizer and additional fertilizer. Particularly suitable for the soil which lack of sulfur, low chlorine tolerance crops, sulfur-philic crops, It is very popular in Japan, Southeast Asia, as well as northeast China where plant premium rice. Suitable for the rice seedling, the growth of tea, grass, vegetables, and fruit trees, effectually rapid promoting the growth of grain, vegetables, fruits, grass and other plants.
