ITEMINDEXMEASURED VALUERESULT
appearanceno visible mechanical impuritiesno visible mechanical impuritiesqualified
nitrogen content(dry basis),%21.0 MIN21.1qualified
water content,%0.2 MAX0.1qualified
free acid(H2SO4) content,%0.03 MAX0.004qualified
water-insoluble content,%0.01 MAX0.006qualified
3. Storage
Store in a cool, dry, ventilated warehouse, is strictly prohibited to store with lime, cement and other alkaline substances. Forbidden to transport when sun and rain, to prevent the bags damaged.
4.Application
1) An excellent fertilizer for the soil and crops in general, make the foliage, vigorous growth, improve fruit quality and yield, strengthen crop resistance to disasters, can be used as base fertilizer, top dressing, and kind of fat.
2) Raw material of making compound fertilizer
3) In chemical industry,it is for raw material in making oxydol,ammonium-alum and ammonium chloride
4) In welding industry,used for welding agent
5) In textile industry,used for fire retardant of textile fabrics
6) In electroplating industry,used for electrobath additive
7) Ammonium sulfate can be used for making refactory material
8) Catalyst in food coloring reddish brown
9) Nitrogen source culturing microzyme in making fresh yeast
10) Dyeing auxiliaries of acid dyes
11) Deliming agent of leather
12) Ammonium sulfate also can be used for beer making
13) Chemical agent
14) Storage battery making,etc
1. Most typical inorganic nitrogen fertilizer., 2. Best fast release, quick acting, and high efficiency., 3. Used for a variety of crops, item, specification, appearancewhite crystalline, no visible mechanical impurity, nitrogen21% min, moisture0.3% max, water insoluble0.01% max, fress acid(h2so4)0.05 max, heary metal(pb)0.005 maxused for a variety of crops, 4. Ammonium sulphate compacted granular 2-4mm and 5-7mm, 5. Ammonium sulphate steel grade crystal or powder, 6. Ammonium sulphate caprolactam grade 0.2-2mm,
Itemspecification
Appearancewhite granule
Nitrogen(n), 20.5%
Moisture(h2o)¤1.5%
Free acid( h2so4 )¤0.4%
Granule size(mm) 2-5mm 90%
Certification of steel grade:
Inspection itemsrequirementinspection resultsconclusion or not
N content %, 20.520.8conformed
Moisture %¤1.00.6conformed
Free acid %¤0.20.09conformed
S content%, 23.623.9
