PL412374A1 - Method for quantitative determination of anionic polymers concentration in water solutions with increased ionic strength value - Google Patents

Method for quantitative determination of anionic polymers concentration in water solutions with increased ionic strength value

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Publication number
PL412374A1
PL412374A1 PL412374A PL41237415A PL412374A1 PL 412374 A1 PL412374 A1 PL 412374A1 PL 412374 A PL412374 A PL 412374A PL 41237415 A PL41237415 A PL 41237415A PL 412374 A1 PL412374 A1 PL 412374A1
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PL
Poland
Prior art keywords
ionic strength
anionic polymers
concentration
quantitative determination
strength value
Prior art date
Application number
PL412374A
Other languages
Polish (pl)
Other versions
PL237805B1 (en
Inventor
Dorota Ziółkowska
Oleksandr Shyichuk
Original Assignee
Uniwersytet Technologiczno-Przyrodniczy im. Jana i Jędrzeja Śniadeckich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Uniwersytet Technologiczno-Przyrodniczy im. Jana i Jędrzeja Śniadeckich filed Critical Uniwersytet Technologiczno-Przyrodniczy im. Jana i Jędrzeja Śniadeckich
Priority to PL412374A priority Critical patent/PL237805B1/en
Publication of PL412374A1 publication Critical patent/PL412374A1/en
Publication of PL237805B1 publication Critical patent/PL237805B1/en

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  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Abstract

Przedmiotem zgłoszenia jest sposób ilościowego oznaczania stężenia polimerów anionowych w roztworach wodnych o podwyższonej wartości siły jonowej, przydatny w analizie przemysłowej oraz środowiskowej. W sposobie tym do spektrofotomerycznego oznaczania stężeń polimerów anionowych w roztworach wodnych zawierających NaCl stosuje się wodny roztwór barwnika - błękitu metylenowego. Siłę jonową roztworu analitu doprowadza się do określonej wartości, a następnie porcję analitu o znanej objętości miareczkuje się roztworem barwnika, rejestrując w sposób ciągły absorbancję mieszaniny roztworów przy długości fali z zakresu od 660 do 670 nm. Punktem końcowym miareczkowania jest osiągnięcie zadanej wartości absorbancji. Stężenie polimeru (C) odczytuje się z krzywej kalibracyjnej w postaci C=f(VBM) (gdzie VBM - objętość barwnika w punkcie końcowym).The subject of the application is a method for quantitative determination of the concentration of anionic polymers in aqueous solutions with an increased value of ionic strength, useful in industrial and environmental analysis. In this method, an aqueous dye solution - methylene blue - is used to spectrophotomerically determine the concentration of anionic polymers in aqueous solutions containing NaCl. The ionic strength of the analyte solution is adjusted to a certain value, and then a portion of the analyte of known volume is titrated with a dye solution, continuously recording the absorbance of the solution mixture at a wavelength range from 660 to 670 nm. The end point of titration is to reach the absorbance set point. The polymer concentration (C) is read from the calibration curve as C = f (VBM) (where VBM - dye volume at the end point).

PL412374A 2015-05-18 2015-05-18 Method for quantitative determination of anionic polymers concentration in water solutions with increased ionic strength value PL237805B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL412374A PL237805B1 (en) 2015-05-18 2015-05-18 Method for quantitative determination of anionic polymers concentration in water solutions with increased ionic strength value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL412374A PL237805B1 (en) 2015-05-18 2015-05-18 Method for quantitative determination of anionic polymers concentration in water solutions with increased ionic strength value

Publications (2)

Publication Number Publication Date
PL412374A1 true PL412374A1 (en) 2016-11-21
PL237805B1 PL237805B1 (en) 2021-05-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
PL412374A PL237805B1 (en) 2015-05-18 2015-05-18 Method for quantitative determination of anionic polymers concentration in water solutions with increased ionic strength value

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PL (1) PL237805B1 (en)

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Publication number Publication date
PL237805B1 (en) 2021-05-31

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