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2 152 018

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C1

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IPC

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Application

99102500/12, 1999-02-09

(24)

Start date

1999-02-09

(22)

Actual filing date

1999-02-09

(45)

Published

2000-06-27

(72)

Inventor

Simakov V.A.Isaev V.E.Zemtsova L.I.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Mineral'Nogo Syr'Ja Im. N.M. Fedorovskogo

METHOD OF PREPARING POWDERED SAMPLE FOR X-RAY SPECTRUM ANALYSIS Russian patent published in 2000 - IPC

Abstract RU 2152018 C1

FIELD: analytical methods. SUBSTANCE: initial mixture of sample and flux is heated in precious metal or precious metal alloy bowl with cupric oxide as oxidant in quantity 25% of the weight sample. Melt is transferred onto graphite substrate directly in furnace, into which substrate is placed 30 sec before fusion is terminated. Resultant melt is molded and cooled to ambient temperature. EFFECT: increased analysis accuracy. 1 tbl

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RU 2 152 018 C1

Authors

Simakov V.A.

Isaev V.E.

Zemtsova L.I.

Dates

2000-06-27—Published

1999-02-09—Filed

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