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Application

93047555/02, 1993-10-13

(22)

Actual filing date

1993-10-13

(45)

Published

1998-01-20

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Inventor

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Nauchno-Proizvodstvennoe Ob"Edinenie

PASSIVATING SOLUTION FOR TREATING VESSELS AND EQUIPMENT THAT CONTACTS WITH HYDROGEN PEROXIDE Russian patent published in 1998 - IPC

Abstract RU 2102531 C1

FIELD: manufacture and storage of hydrogen peroxide in various industries. SUBSTANCE: solution comprises, wt. -%: sulfuric acid, 3.15; sodium nitrite, 1.8-2.5; and water, the balance. Said solution is used after alkali treatment of products. EFFECT: greater efficiency of treatment process due to reducting the rate of hydrogen peroxide decomposition and the rate of corrosion of aluminium or aluminium alloy and stainless steel based metals.

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RU 2 102 531 C1

Authors

Dates

1998-01-20—Published

1993-10-13—Filed

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