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2 032 461

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C1

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IPC

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Application

5064673/26, 1992-03-25

(22)

Actual filing date

1992-03-25

(45)

Published

1995-04-10

(72)

Inventor

Sharygin L.M.Galkin V.M.Moiseev V.E.Ponomarev V.G.Tret'Jakov S.Ja.Barybin V.I.

(73)

Holder

Sharygin Leonid Mikhajlovich

CHROMATOGRAPHIC MATERIAL AND METHOD FOR ITS PRODUCTION Russian patent published in 1995 - IPC

Abstract RU 2032461 C1

FIELD: chromatographic sorbent based on zirconium dioxide applicable in various types of chromatography, including gas and liquid ones. SUBSTANCE: spherogranulated chromatographic material MexZr1-xO2-0,5x·n H2O, where Me is metal of III group of Periodic System of elements; x=0.02-0.40; n=0.01-0.8; is a solid solution with tetragonal or cubic lattice and characterized with average pore diameter of 3-100 nm and pore sorptive capacity of 0.04-0.6 cu. m/g. Average diameter of material granules is 3-600 mcm. Method for production of chromatographic material includes the following stages: electrochemical synthesis of sole up to attaining pH 1.6-2.2, dispersion of sole in gelating medium (gas medium or aqueous ammonia solution) by vibration spraying, separation of formed gel-spheres, their washing and heat treatment. EFFECT: higher efficiency. 9 cl, 1 dwg, 6 tbl

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RU 2 032 461 C1

Authors

Sharygin L.M.

Galkin V.M.

Moiseev V.E.

Ponomarev V.G.

Tret'Jakov S.Ja.

Barybin V.I.

Dates

1995-04-10—Published

1992-03-25—Filed

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