Method for analysing a sample comprising at least a first and a second scale inhibitor

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United States of America Patent

PATENT NO 9816927
APP PUB NO 20160290924A1
SERIAL NO

15037682

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Abstract

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The invention relates to a method for analysing a sample comprising at least a first and a second scale inhibitor, which scale inhibitors are synthetic organic compounds comprising at least one ionised group. The method comprises optionally diluting and/or purifying the sample, and allowing the sample interact with a reagent comprising lanthanide(III) ion. The sample is excited at a first excitation wavelength and a sample signal deriving from the lanthanide(III) ion is detected at a signal wavelength by using time-resolved luminescence measurement. The total concentration of the first and the second scale inhibitor is determined by using the detected sample signal, and the concentration of the first scale inhibitor in the sample is determined. The concentration of the second scale inhibitor is determined mathematically by using the obtained results for the total concentration and for the first scale inhibitor concentration.

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Patent Owner(s)

  • KEMIRA OYJ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Härmä, Harri Turku, FI 9 19
Johnstone, James Banchory, GB 7 16
Lehmusto, Mirva Turku, FI 2 8
Mundill, Paul Espoo, FI 6 24
Nuutinen, Vesa Helsinki, FI 12 31
Siivonen, Joonas Turku, FI 3 8
Tiittanen, Satu Turku, FI 3 8
Toivonen, Susanna Espoo, FI 7 29
Väisänen, Pave Helsinki, FI 2 8

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