Abstract
The paper describes an application of a kind of optical analytical method, digital colour analysis (DCA), using colorimetric polymethacrylate sensors (optodes) in order to determine Cr (VI). The optodes are made of optically transparent polymethacrylate matrix (PMM) with 1.5-diphenylcarbazide immobilized. The developed optode can be used in determination of the analytes using solid phase spectrophotometry and calculating colour coordinates as functions of absorbance spectra. Also colour coordinates can be represented as basic colour (e.g. RGB) data after the optode image digitizing. Then one can determine the content of an analyte in a sample by an appropriate colour difference calculated for these coordinates. Experimental results of Cr (VI) determination in tap water show that the DCA relative standard deviation is 8-17 % and recovery is < 12 % at the range of determined concentrations 0.05-1.0 mg·L-1. The characteristics are comparable with those of the solid phase spectrophotometry.
| Original language | English |
|---|---|
| Pages (from-to) | 95-100 |
| Number of pages | 6 |
| Journal | Acta IMEKO |
| Volume | 5 |
| Issue number | 3 |
| Publication status | Published - 1 Nov 2016 |
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Keywords
- Chromium (VI)
- Colorimetric sensor
- Digital colour analysis
- Immobilized reagents
- Optode
- Transparent polymeric matrix
ASJC Scopus subject areas
- Instrumentation
- Mechanical Engineering
- Electrical and Electronic Engineering
Cite this
Visible colour changes estimation in colorimetric determination of chromium (VI) using polymeric sensors. / Gavrilenko, Nataliya A.; Muravyov, Sergey V.; Saranchina, Nadezhda V.; Sukhanov, Alexey V.
In: Acta IMEKO, Vol. 5, No. 3, 01.11.2016, p. 95-100.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Visible colour changes estimation in colorimetric determination of chromium (VI) using polymeric sensors
AU - Gavrilenko, Nataliya A.
AU - Muravyov, Sergey V.
AU - Saranchina, Nadezhda V.
AU - Sukhanov, Alexey V.
PY - 2016/11/1
Y1 - 2016/11/1
N2 - The paper describes an application of a kind of optical analytical method, digital colour analysis (DCA), using colorimetric polymethacrylate sensors (optodes) in order to determine Cr (VI). The optodes are made of optically transparent polymethacrylate matrix (PMM) with 1.5-diphenylcarbazide immobilized. The developed optode can be used in determination of the analytes using solid phase spectrophotometry and calculating colour coordinates as functions of absorbance spectra. Also colour coordinates can be represented as basic colour (e.g. RGB) data after the optode image digitizing. Then one can determine the content of an analyte in a sample by an appropriate colour difference calculated for these coordinates. Experimental results of Cr (VI) determination in tap water show that the DCA relative standard deviation is 8-17 % and recovery is < 12 % at the range of determined concentrations 0.05-1.0 mg·L-1. The characteristics are comparable with those of the solid phase spectrophotometry.
AB - The paper describes an application of a kind of optical analytical method, digital colour analysis (DCA), using colorimetric polymethacrylate sensors (optodes) in order to determine Cr (VI). The optodes are made of optically transparent polymethacrylate matrix (PMM) with 1.5-diphenylcarbazide immobilized. The developed optode can be used in determination of the analytes using solid phase spectrophotometry and calculating colour coordinates as functions of absorbance spectra. Also colour coordinates can be represented as basic colour (e.g. RGB) data after the optode image digitizing. Then one can determine the content of an analyte in a sample by an appropriate colour difference calculated for these coordinates. Experimental results of Cr (VI) determination in tap water show that the DCA relative standard deviation is 8-17 % and recovery is < 12 % at the range of determined concentrations 0.05-1.0 mg·L-1. The characteristics are comparable with those of the solid phase spectrophotometry.
KW - Chromium (VI)
KW - Colorimetric sensor
KW - Digital colour analysis
KW - Immobilized reagents
KW - Optode
KW - Transparent polymeric matrix
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UR - http://www.scopus.com/inward/citedby.url?scp=84994545404&partnerID=8YFLogxK
M3 - Article
VL - 5
SP - 95
EP - 100
JO - Acta IMEKO
JF - Acta IMEKO
SN - 0237-028X
IS - 3
ER -