C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 15/08 (2006.01) C25B 1/28 (2006.01)
Patent
CA 2046000
ABSTRACT OF THE DISCLOSURE Peroxomonosulphate solutions known heretofore have an unsatisfactory storage stability and/or can be used in application technology only with limitations. According to the present invention storage-proof aqueous sodium peroxomonosulphate solutions containing 5 to 50% by weight of NaHSO5 can be produced economically by partial neutralization of a sulphuric acid and solutions containing Caro's acid when this kind of H2SO4- and H2SO5- containing solution that contains less than 3 parts by weight of hydrogen peroxide per 100 parts by weight of Caro's acid and when the partial neutralization is carried out up to an equivalent ratio of total SO3 to sodium ions in the range of 1:1 to 1:1.3 and the solution is diluted or concentrated as required.
Bertsch-Frank Birgit
Bittner Friedrich
Duker Axel
Rossler Gert
Aktiengesellschaft Degussa
Bertsch-Frank Birgit
Bittner Friedrich
Duker Axel
Marks & Clerk
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