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2 078 332

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C1

(51)

IPC

(21) (22)

Application

94017281/25, 1994-05-10

(22)

Actual filing date

1994-05-10

(45)

Published

1997-04-27

(72)

Inventor

Prudnikov E.D.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet

DEVICE TO DISINTEGRATE HIGHLY PURE SUBSTANCE DURING ANALYSIS OF MICROIMPURITIES Russian patent published in 1997 - IPC

Abstract RU 2078332 C1

FIELD: analytical chemistry. SUBSTANCE: invention is intended for use in spectral and other methods of analytical chemistry, predominantly while analyzing highly pure substances and materials, specifically in manufacture of semiconductor materials and fibre-optical light guides. Device is inserted with element of precipitation and secondary fraction sublimation of volatile reagent in closed space in which highly pure substance and volatile reagent for its disintegration are positioned separately during analysis of microimpurities. EFFECT: enhanced efficiency and accuracy of device. 4 cl, 2 dwg

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RU 2 078 332 C1

Authors

Prudnikov E.D.

Dates

1997-04-27—Published

1994-05-10—Filed

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