Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Patent
1990-11-13
1992-04-07
Niebling, John
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
423644, C01B 15055, C01B 1504, C01G 3300
Patent
active
051026490
ABSTRACT:
A process for producing a peroxoniobic acid sol which comprises: adding a strong acid, hydrogen peroxide and water to at least one niobium compound selected from the group consisting of niobium hydroxide, niobium oxide and niobium pentachloride to provide an aqueous solution of peroxoniobic acid; and then maintaining the aqueous solution at a temperature of 5.degree.-50.degree. C.
REFERENCES:
patent: 2259396 (1941-10-01), Schlecht et al.
patent: 3873584 (1975-03-01), Barke et al.
Abe Kazunobu
Shirasaki Shin-ichi
Terada Yasuhiko
Uno Hajime
Bolam Brian M.
National Institute for Research in Inorganic Materials
Niebling John
Sakai Chemical Industry Co.
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