//Ammonium Paratungstate
Ammonium Paratungstate2019-07-10T06:05:31+00:00

Ammonium Paratungstate

Ammonium paratungstate (or APT) is a white crystalline salt of ammonium and tungsten, raw material of Sodium Tungstate and Tungsten Trioxide production.

  1. Formula: 5(NH4)2O.12WO3.5H2O.
  2. Appearance: Free flowing white crystalline powder with no any other cast or foreign matter.
  3. Ignition Loss: 11.5%max
  4. Fsss: 35-46 micron.
  5. Packing: In iron drums with inside plastic bags of 100kg or 200kg net each.
ammonium paratungstate
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Grade egenskaper

Grade APT-0
WO3 (% min) 88.5
Föroreningar (% max) Al Fe S As P Mo Ca Mg K Na Si
0.0005 0.001 0.0007 0.001 0.0007 0.002 0.001 0.0007 0.001 0.001 0.001
Cu Mn Ni Pb Bi Sn Sb V Ti Cr Co
0.0003 0.001 0.0007 0.0001 0.0001 0.0008 0.001 0.001 0.001 0.001 0.001

Anmärkningar:
1) APT-0 is high purity material for special uses.
2) Material of 40-46 micron is mainly used for producing tungsten bar for drawing wire
3) Any special requirement to the products can be discussed.”

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