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2 109 084

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C1

(51)

IPC

(21) (22)

Application

96123582/02, 1996-12-16

(22)

Actual filing date

1996-12-16

(45)

Published

1998-04-20

(72)

Inventor

Krasnova T.M.Maslova E.Kh.Chumaevskij V.A.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa

SOLUTION FOR PHOSPHATIZATION OF METAL SURFACE Russian patent published in 1998 - IPC

Abstract RU 2109084 C1

FIELD: treatment of metal surface. SUBSTANCE: solution contains, g/l: nitrate ions, 1.8-6.5; chlorate ions, 2.7-7.8; molybdenum ions, 0.01-0.04; and also phosphate ions (in terms of $$$), 6.7-17.0; and calcium ions, 0.9-3.5 in the form of Khibiny apatite concentrate. Application of solution allows deposition of phosphate coatings of high corrosion resistance with use of available raw materials for preparation of the offered solution. EFFECT: reduced consumption of chemical and increased service life of paintwork. 1 tbl

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RU 2 109 084 C1

Authors

Krasnova T.M.

Maslova E.Kh.

Chumaevskij V.A.

Dates

1998-04-20—Published

1996-12-16—Filed

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