Ammonium Sulfate (N 21%) Crystals
CAS No.: 7783-20-2
Molecular Formula: (NH4)2SO4
|Appearance||Powder, Granular, Crystal|
|Nitrogen , %||≥ 21.0|
|Moisture, %||≤ 0.5|
|Free acid(as H2SO4) %||≤ 0.2|
|Water Insolubles,%||≤ 0.2|
Character: A kind of good nitrogen source, for its fully solubility character, widely use for irrigation purpose, suitable for normal soil condition and common crops, promote growth increase yield. Improve fruits quality, use as base, topdressing,seeds fertilizer.
Similar specifications: Coking Grade, Cyanuric acid grade, Caprolactam grade
Standard Package: 25KG BAG, 50KG BAG.
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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;
Storage and transportation:
Stored in cool,dry and ventilated warehouse. It must not be put together with Alkali stuffs,such as lime,cement,etc.
Do not expose it to sunlight and rain during transportation. Do not damage the packing bags.
(1) In case of lower fertilizer efficiency, can't contact with other alkaline fertilizer or substances.
(2) In order to avoid cause soil harden and acidification, Should not be long-term use of ammonium sulfate on the same piece of farmland. If you have to use fertilizer, you can add some lime or organic fertilizer appropriately.
in order to prevent the decomposition of ammonium sulfate, must pay attention to not mixed with lime. General apply the two to 3 ~ 5 days apart.
(3) Not suitable for acid soil.
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Agrochemicals: Chlorpyrifos, Naled, Profenophos, Carbendazim, Chlorothalonil, Cymoxanil, Mancozeb, Metalaxyl, Oxadixyl, Zineb, 2, 4 D Amine salt, Diuron, Glyphosate.
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