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2 239 249

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IPC

(21) (22)

Application

2002132816/06, 2002-12-06

(24)

Start date

2002-12-06

(22)

Actual filing date

2002-12-06

(45)

Published

2004-10-27

(72)

Inventor

Chernikov O.G.Shmakov L.V.Mikhajlov A.I.Nefedov Ju.A.Zaika V.I.Gorbunov E.K.Dmitriev V.V.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Gosudarstvennyj Kontsern Po Proizvodstvu Ehlektricheskoj I Teplovoj Ehnergii Na Atomnykh Stantsijakh" Kontsern

CORROSION PROTECTION METHOD FOR CHROMIUM-NICKEL STAINLESS STEEL CAPSULE HOLDING IONIZING RADIATION SOURCE Russian patent published in 2004 - IPC

Abstract RU 2239249 C2

FIELD: radiation technologies.

SUBSTANCE: proposed method includes installation of capsule under protection in corrosion-inert atmosphere inside hermetically sealed case. Upon extraction of irradiated capsule from case it is treated with 3 - 6% nitric acid solution in maximum 20 - 60 minutes for 2 - 10 h.

EFFECT: enhanced reliability of anticorrosive treatment of capsule.

1 cl, 4 tbl, 4 ex

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RU 2 239 249 C2

Authors

Chernikov O.G.

Shmakov L.V.

Mikhajlov A.I.

Nefedov Ju.A.

Zaika V.I.

Gorbunov E.K.

Dmitriev V.V.

Dates

2004-10-27—Published

2002-12-06—Filed