For Nitrogen Fertilizer Ammonium Sulphate 21          

Agriculture use:

1.Resource:
Generally, it is a by-product from chemical (cyanuric acid, capro, acrylonitrile, sodium cyanide, monosodium glutamate - MSG, methyl methacrylate - MMA, etc.) or steel plant.

2.Appearance:
Caprolactam Grade is colorless (achromatic) crystalline or yellowish crystals.Usage: In Agriculture

3.Category: typical inorganic nitrogen fertilizer.

4.Advantage:
best fast release, quick acting fertilizer directly for a variety of soil and crops. More efficiency than urea, ammonium bicarbonate, ammonium chloride, ammonium nitrate.

5.Disadvantage:Low nitrogen content than urea.

6.Application as:
seed fertilizers, base fertilizer and additional fertilizer.

7.Soil:
Particularly suitable for:the soil which lack of sulfur, low chlorine tolerance crops, sulfur-philic crops,

8.Plant:
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.

9.Area:
Popular in Japan, Southeast Asia, as well as northeast China where plant premium rice.

10.Granule:
Large granular ammonium sulphate can also serve as raw material for compound fertilizer.

11.Feed additives:
It provides the nutrients of non-protein nitrogen to ruminants. It also used for fish culture in some areas.

12.Attention:
Ammonium sulphate are acidic fertilizers. It can increase the acidity of the soil, Therefore should pay attention to use in acidic soils with alkaline fertilizer, such as plant ash, phosphate rock powder or calcium magnesium phosphate and so on. Use in neutral and alkaline soil alkaline soils, in order to prevent calcium ion combined with sulfate ion to insoluble calcium sulfate (gypsum), caused by soil hardened, and should apply with organic fertilizer. 

Industrial Usage:

• In chemical industry, as the raw materials of hydrogen peroxide, ammonium alum and ammonium chloride; the minor ingredient of ammonium persulfate, lysine.

• In welding industry, as a welding agent.

• In textile industry, as a flame retardant. 

• In electroplating industry, as a plating bath additive.

• In dyeing industry, as a dyeing auxiliaries of acid dyes.

• In leather industry, as a deliming agent.

• In food industry, as a dough conditioning agent (fermentation medium), a catalyst of sauce food.

• In pharmaceutical industry, as a salting-out agent, it can purifying proteins by precipitation

• In pesticide industry, as a adjuvant agent. Add in water soluble insecticides, herbicides, and fungicides, such as 2,4-D Amine Salt, glyphosate, and glufosinate herbicides.

• Transportation & Storage:
  Kept in dry and place, avoid moisture, water, rain and fire, normal transportation.

Remark:

HS Code: 31022100

Other name:

ammonium sulfate, diammonium sulphate, sulfuric acid diammonium salt, sulfato de amonio.

CAS No.: 7783-20-2

Molecular Formula: (NH4)2SO4

Molecular Weight: 132.13

Property: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.

Packing: 

50KG, 1000KG per bag, or as the customer's required.

Note:

25 KG pp bags , 25 tons in one container
50KG pp bags , 25-26 tons in one container
1000KG pp bags , 20 tons in one container
1100KG pp bags , 22 tons in one container

Ammonium sulfate is made by treating ammonia, often as a by-product from coke-ovens, with sulfuric acid: 2 NH3 + H2SO4 → (NH4)2SO4

Ammonium sulfate also is manufactured from gypsum (CaSO4·2H2O). Finely divided gypsum is added to an ammonium carbonate solution. Calcium carbonate precipitates as a solid, leaving ammonium sulfate in the solution.

(NH4)2CO3 + CaSO4 → (NH4)2SO4 + CaCO3

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