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2 115 618

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IPC

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Application

95114423/25, 1995-08-22

(22)

Actual filing date

1995-08-22

(45)

Published

1998-07-20

(72)

Inventor

Chumaevskij O.V.Chumaevskij V.A.Kapralov A.V.Maslova E.Kh.

(73)

Holder

Chumaevskij Oleg Viktorovich

METHOD OF PREPARING ZINC NITRATE PHOSPHONATE CONCENTRATE Russian patent published in 1998 - IPC

Abstract RU 2115618 C1

FIELD: automotive, machine building, and other industries. SUBSTANCE: present invention describes preparation of zinc nitrate phosphatizing concentrate by adding aqueous solution of zinc nitrate in amount kg NO3/kg P2O5 of 0.08-4.82 with specific rate of kg NO3/m3 cubic m*h of 124-1236 to mixture of phosphoric acid and aqueous zinc oxide suspension. EFFECT: more efficient preparation method. 1 tbl

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RU 2 115 618 C1

Authors

Chumaevskij O.V.

Chumaevskij V.A.

Kapralov A.V.

Maslova E.Kh.

Dates

1998-07-20—Published

1995-08-22—Filed

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