Typical Tungsten Oxides Products:Ammonium Paratungstate (APT)
Typical Tungsten Oxides Products:Ammonium Paratungstate (APT)
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1. Origin |
In Seller's Option |
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2. Tariff No. |
2841 8010 |
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3. Quality |
WO3 (Tungsten Trioxide)
Al
As
Bi
Ca
Cd
Co
Cr
Cu
Fe
K
Mn
Mg
Mo
Na
Ni
P
Pb
S
Sb
Si
Sn
Ti
V |
88.5
10
5
5
10
5
5
5
5
10
10
10
10
20
10
5
10
5
10
5
10
5
5
5 |
% min.
ppm max.
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ppm max. |
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4. Form |
White finely divided free-flowing crystals. |
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5. Packaging |
Packed in polythene-lined iron drums, of uniform net weight per lot, each 100 or 200 KG net. |
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6. Lot Size & Tolerance |
Minimum 1 Full Container Load = 18 MT (+/- 2 %) |
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7. Documentation |
Standard documentation, as per MMTA Consolidated Regulations, plus detailed packing list and producer’s original, or photocopy of, producer’s quality certificate. |
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8. Weighing & Sampling |
As per MMTA Consolidated Regulations. |
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9. Other Notes |
APT is priced in $/MTU (metric ton unit), or less often in $/STU (short ton unit). 1 MTU of APT contains 10 kgs of WO3.
Using atomic weights: W = 184, O3 = 48, WO3 = 232, W portion = 184/232 = 79.31%.
79.31% of 10 kgs = 7.931 kgs W. |
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