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Nikolaev Institute of Inorganic Chemistry

Siberian Branch of Russian Academy of Sciences

BISMUTH OXIDE, Bi2O3
high purity powder 99.999% (5N) and 99.9999% (6N)

Ranges of application

High purity bismuth oxide is used for synthesis of a variety of substances (pharmaceuticals, high temperature superconductive ceramics), growing oxide crystals, in glass manufacturing.

Place and level of practical realisation

Production of high purity bismuth oxide has been organized in NIIC SB RAS for further growing of high performance bismuth ortho-germanate Bi4Ge3O12 (BGO) crystals.

Properties

Yellow powder, in sealed double polyethylene sacks of 5–10 kg, and wooden boxes.

High purity bismuth oxide 99.999% (5N)
Density [g/ml3] 8.6
Bulk density [g/ml3] 4.2
Melting point [°C] 825
Hygroscopicity absent
Crystalline modification - α-Bi2O3monoclinic (Bismite)

Impurity contents (%Wt)
Bi2O3 99.999% (5N)

Impurity Contents Impurity Contents Impurity Contents
Ag ≤ 5·10−5 Fe less (1·10−5) Pb less (5·10−6)
Ca ≤ 5·10−6 K less (5·10−6) Sb less (5·10−6)
Ge less (1·10−5) Mg less (5·10−6) Si ≤ 1·10−4
Cl ≤ 1·10−4 Mn less (1·10−5) Te less (1·10−5)
Cr ≤ 5·10−6 Na less (5·10−6) Zn less (1·10−5)
Cu less (1·10−5) Ni less (1·10−5)  

Impurity contents (%Wt)
Bi2O3 99.9999% (6N)

Impurity Contents Impurity Contents Impurity Contents
Ag ≤ 5·10−6 Cu less (7·10−6) Pb less (5·10−6)
As less (7·10−6) In less (7·10−6) Sb less (7·10−6)
Cd less (7·10−6) Fe less (1·10−5) Sn less (7·10−6)
Co less (7·10−6) Mn less (5·10−6) Zn less (7·10−6)
Cr less (7·10−6) Ni less (7·10−6)  

Granulometric composition

Granulometric composition of high purity bismuth oxide from NIIC SB RAS, Novosibirsk, Russia

Patent protection

Bismuth oxide is produced using the original technology of direct metal oxidation, protected by a patent of Russian Federation.

Sale offer

Price by agreement.

Contacts

Nikolaev Institute of Inorganic Chemistry SB RAS
Acad. Lavrentyev ave., 3, Novosibirsk, Russia, 630090
Scientific secretary of Institute
Gerasko Olga Anatolievna, Doctor of chemical sciences
Phone: +7(383) 330-94-86
+7(383) 330-94-89
E-mail:
Web-page: http://www.niic.nsc.ru/en/