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Urea |
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Description:
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Chemicals>>
Agrochemicals>> Fertilizer>> Nitrogen Fertilizer |
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Classification |
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Type |
Nitrogen
Fertilizer |
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CAS No. |
Urea |
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Other Names |
57-13-6 |
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MF |
carbamide60.06 |
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Place of Origin |
China
(Mainland) |
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Purity |
94% |
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Application |
Fertilizer or
Industry |
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Urea 46
prilled. Industry grade.fertilizer. Nitrogen: 46.6% Biuret:0.9%,
Moisture:0.4%,Particle size( 0.85-2.8mm) 98%.
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Certificate of
Analysis |
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STANDARD
GB2440-2001 |
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Quality
Of
Items |
Inspection
Item |
Premium
Grade |
First Grade |
Qualified
Grade |
Test Result |
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Appearance |
White or
Light White white |
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Total
Nitrogen %≥ |
46.4 |
46.2 |
46 |
46.6 |
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Biuret%≤ |
0.9 |
1.0 |
1.5 |
1.0 |
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Moisture%≤ |
0.4 |
0.5 |
1.0 |
0.6 |
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Methylene
dicarbamide%≤ |
0.6 |
0.6 |
0.6 |
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Particle
size%≥
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93 |
90 |
90 |
91 |
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Net Weight |
Net Wt per
Bag: 50kg 500kg 1000kg |
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Average Net
Wt of Each Lot: ≥50kg 500kg 1000kg |
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Factory: Qingdao |
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L/C T/T |
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100 Metric
Ton/Metric Tons |
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60000 Ton/Tons /
Month |
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Packing: 50kg,
500kg,1000kg pallet available |
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Prompt shipment or
Within 15day after L/C date |
Granule. Preal Urea46%min
USP UREA 99%min / SCR UREA /AD BLUE
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Product |
Urea |
Quantity |
25KG |
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Manufacturing Date |
2009.11.12 |
Report Date |
2009.11.12 |
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Expiry Date |
2011.11.12 |
Batch No: |
091112 |
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Standard |
Usp28 |
Packing |
KG/Bag |
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Appearance |
Colorless prism-shaped crystalline or powder no smell, salty taste,
Have long time placed Ammonia |
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Identification |
A: Hcat about 500mgi in a test tube itllquefies and ammonia is
evolved. Continue the heating until the liquid becomes turbid then
cool. Dissolve the mass in a mixture of 10ml of water and 1ml of
sodium hydroxide solution and I drop of cupric sulfate The solution
acquires a reddish-violet color |
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B: Dissolve 100mg in 1ml of water and add 1ml of nitric acid a white
crystalline precipitate of urea nitrate is formed |
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Test Items |
Limit |
Result |
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Residue on ignition |
≤0.1% |
0.018% |
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Melting range |
132C-135C |
Conform |
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Alcohol-insoluble matter |
≤0.04% |
0.013% |
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Chloride |
≤0.007% |
0.0004% |
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Sulfate |
≤0.010% |
0.001% |
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Heavy metals |
≤0.002% |
0.001% |
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Assay |
99.0%-100.5% |
99.38% |
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Conclusion the about product complies with Usp28 |
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Item |
Description |
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Product |
Urea for industrial |
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Molecular Formula |
(NH2)2CO CAS NO. 57-13-6 |
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Manufacturing Process |
2NH3+CO2→(NH2)2CO+H2O |
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Product Profile |
■ Name
- Urea; Carbamide; Carbonyldiamide
■ Raw materials
- Ammonia/Carbon Dioxide
■ Physical properties
- Appearance : White spherical particle
- Mol. weight : 60.06
- Sp.Gr(20℃)
: 1,335
- Bulk density : 0.74g/ml
- Melting point : 132.7℃
- Specific(Cal/g℃):0.344(0℃)
■ Packaging
- For domestic : 20,25kg PE Bag or 1,000kg Poly Bag
- For export : 50kg PP Bag or 1000kg Poly Bag
■ Application
- SCR Urea Solution
- Feedsuff additive
- Urea resins
- Melamine
- Hydrazine
- Hypnotic drug
- Explosives stabilizer
- Nitrofiber stabilizer
- Celluloid stabilizer
- Adhesive agents
- Separation & refining agent for petroleum and oil-fats industry
- Guanidine Fireproof treatment
- Organic synthetic intermediates
- Viscosity control agent
- Dyestuff
- Paints
- Sweetening materials
■ Handling & storage
- Storage in moisture-free, dry place is recommended.
- May harden if stored in moisture, and melt if exposed to high
temperature.
- Wash thoroughly with water if it makes contact with eye or skin. |
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Product Specification
(Government Analysis) |
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Urea (%) |
99 min. |
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Biuret(%) |
0.5max |
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Moisture (%) |
0.5 max. |
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Fe (ppm) |
20 max. |
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Aldehyde (ppm) |
3 max. |
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Al (mg/kg) |
Max 0.2 |
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Fe (mg/kg) |
Max 2 |
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Cu (mg/kg) |
Max 0.2 |
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Zn (mg/kg) |
Max 0.2 |
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Cr (mg/kg) |
Max 0.2 |
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Ni (mg/kg) |
Max 0.2 |
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Mg (mg/kg) |
Max 0.2 |
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Na (mg/kg) |
Max 0.2 |
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K (mg/kg) |
Max 0.2 |
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Residue (ppm) |
100 max. |
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pH (10% Aq. solution) |
8 ~ 11 |
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Factory
Packaging & Container |
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