Blue Tungsten Oxide (BTO)

Blue Tungsten Oxide Pirture

Introduction

Blue tungsten oxide refers to a class of dark blue compound containing tungsten (Ⅵ) and tungsten (V) mixed valence state. Blue tungsten oxide is the product of reductant and tungsten compounds.
Chemical Formula: WO2.9
CAS NO. : 1314-35-8
HS Code: 2825901910

Producing Method

Blue tungsten oxide can be produced by APT calcination method, APT mild hydrogen reduction method, inner reducing method and ion exchange method.

Chemical Specification

Grade:A WO2.8-2.97 Content(%min):99.95
Density: 2.4-2.8g/cm3 Grain Size:12-19um
Impurity(%max)
Element Al As Bi Ca Cd Cr Co Cu Fe K Mg Mn
MAX 0.0005 0.0010 0.0001 0.0010 0.0001 0.0010 0.0010 0.0003 0.0010 0.0010 0.0007 0.0010
Element Mo Na Ni P Pb S Sb Si Sn Ti V /
MAX 0.0020 0.0010 0.0007 0.0007 0.0001 0.0007 0.0005 0.0010 0.0002 0.0010 0.0010 /