For Dentistry Use 99.99% Bismuth Trioxide Powder

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For Dentistry Use 99.99% Bismuth Trioxide Powder
Posting date : May 14, 2014
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1. Bismuth Trioxide - Bi2O3 is a light yellow color powder, which turns orange red upon heating, and aftercooling turns light yellow.It has five crystallographic polymorphs.The room temperature phase, α-Bi2O3 has a monoclinic crystal structure. There are three high temperature phases, a tetragonal β-phase , a body-centred cubic γ-phase, a cubic δ-Bi2O3 phase and an ε- phase. The room temperature α-phase has a complex structure with layers of oxygen atoms with layers of bismuth atoms between them. 2. The bismuth atoms are in two different environments which can be described as distorted 6 and 5 coordinate respectively.

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