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2 215 289

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IPC

(21) (22)

Application

2002117698/28, 2002-07-02

(24)

Start date

2002-07-02

(22)

Actual filing date

2002-07-02

(45)

Published

2003-10-27

(72)

Inventor

Benderskaja O.S.Shutkova O.A.Vladimirova O.N.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchnyj Tsentr Rf Nauchno-Issledovatel'Skij Institut Atomnykh Reaktorov"

METHOD OF DETERMINING MASS CONCENTRATIONS OF ANIONIC IMPURITIES IN AQUEOUS HEAT CARRIER WITH BORIC ACID ADDITIVES Russian patent published in 2003 - IPC

Abstract RU 2215289 C1

FIELD: analytical methods. SUBSTANCE: invention is designed for on-line monitoring of aqueous heat carrier with boric acid additives and consists in that analysis of impurities is performed by double-column ionic chromatography technique. For that, system is calibrated in presence of boric acid within operational concentration range not exceeding 1.3 g/kg. When concentration of boric acid lies within a range of 1.3-12 g/kg, sample is preliminarily diluted to adjust boric acid concentration to operational values. EFFECT: enabled analysis in presence of boric acid. 4 dwg

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RU 2 215 289 C1

Authors

Benderskaja O.S.

Shutkova O.A.

Vladimirova O.N.

Dates

2003-10-27—Published

2002-07-02—Filed