Blue color ammonium sulphate granular
| Item | Specification |
| Appearance | white Powder |
| Nitrogen | 20.5% min |
| Moisture | 1% max |
| Size | 0-1mm |
| Sulphur | 24%min |
- Description
Blue color ammonium sulphate granular
[English Name] Ammonium Sulphate
Main active ingredients are 21% nitrogen and 24% sulfur, so it can be described as NPK 21-0-0 24S. Generally, it is a by-product from chemical (cyanuric acid, capro, acrylonitrile, sodium cyanide, monosodium glutamate
– MSG, methyl methacrylate – MMA, etc.) or steel plant.
CAS No.: 7783-20-2
[Molecular Formular ](NH4)2SO4
[.Molecular Weight] 132.14
[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.
[Appearance]
1)Steel Grade (also call Coke-ovens Grade) is fine white powder, after processing it can be white granular or flake.
2)Caprolactam Grade is colorless (achromatic) crystalline or yellowish crystals.
[Specifications] Based on Standard: GB535—1995
| Item | Standard | Typical Result |
| Appearance | Colorless or yellowish crystal | Pass |
| Size | 2-4mm | Pass |
| Nitrogen | 21.0% min | 21.1% |
| Moisture | 1.0% max | 0.85% |
| Free Acid | 0.03% max | 0.03% |
| Iron (Fe) | 0.007% max | 0.002% |
| Arsenic (As) | 0.00005% max | 0.00002% |
| Heavy Metals | 0.005% max | 0.005% |
| Water-Insoluble Matters | 0.01% max | 0.004% |
[Applications]In Agriculture
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. It have more
efficiency
than urea, ammonium bicarbonate, ammonium chloride, ammonium nitrate. Large granular
ammonium sulphate can also serve as raw material for compound fertilizer. As feed additives,
it provide the nutrients of non-protein nitrogen to ruminants. It also used for fish culture in some areas.
[Packing] N.W.20/25/50KG PP woven bag with PE linner bag. Shrink-wrapped with pallet is
available.
[Storage & transportation] Stored in dry, cool airiness place, far away from heat, avoid insolation,
sign with no moisture and no insolation.
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3. Used for a variety of cropsWhite or off-white granule, easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, acetone and ammonia, Easily deliquescent in the air. Specification
Item Specification Appearance White granule Nitrogen(N) ≥20.5% Moisture(H2O) ≤1.5% Free acid( H2SO4 ) ≤0.4% Granule size(mm) 2-5mm 90% Certification of steel grade:
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