Ammonium Paratungstate (APT)
- Company Name:ZhongNan Minerals & Chemicals
- Membership:Free Member
- Member Since:2011. 03.08
- Country/Region:China
- City:Guangdong
- Contact:Perry Lee
- Related Keywords:Ammonium paratungstate, APT, Ammonium tungstate, WO3
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ZhongNan Minerals & Chemicals
[China]
Ammonium paratungstate (APT)
Applications: used for tungsten trioxide, blue tungsten oxide and tungsten powder.
Appearance: free flowing white crystalline powder without any other cast or foreign matter.
Ignition loss: 11.5 percent maximum.
FSSS: 35 to 46 micron.
Scott Density: 1.8 to 2.6 gram per cubic centimeter.
Packing: In iron drum with inside plastic bags of 200kg net each.
Remarks:
APT 0 is high purity material for special uses.
Material of micron 40 to 46 is mainly used for producing tungsten bar and drawing wire.
Custom requirement can be negotiated.
Delivery: within one month
Payment: by T/T or L/C
Grade APT 0:
WO3 Content 88.5 percent minimum:
Impurity contest (Percent maximum):
Al: 0.0005
As: 0.001
Bi: 0.0001
Ca: 0.001
Co: 0.001
Cr: 0.001
Cu: 0.0003
Fe: 0.001
K: 0.001
Mn: 0.001
Mg: 0.0007
Mo: 0.002
Na: 0.001
Ni: 0.0007
P: 0.0007
Grade APT 1:
WO3 Content 88.5 minimum:
Impurity contest (Percent maximum):
Al: 0.001
As: 0.001
Bi: 0.0001
Ca: 0.001
Co: 0.001
Cr: 0.001
Cu: 0.0005
Fe: 0.001
K: 0.0015
Mn: 0.001
Mg: 0.001
Mo: 0.005
Na: 0.0015
Ni: 0.001
P: 0.001
Grade 2:
WO3 Content 88.5 percent minimum
Impurity contest (Percent maximum):
Al: 0.001
As: 0.002
Bi: 0.0002
Ca: 0.001
Co: 0.001
Cr: 0.001
Cu: 0.001
Fe: 0.002
K: 0.002
Mn: 0.001
Mg: 0.002
Mo: 0.01
Na: 0.002
Ni: 0.001
P: 0.002
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