Kinetic spectrophotometric method for rapid determination of trace formaldehyde in foods
X Cui, G Fang, L Jiang, S Wang - Analytica chimica acta, 2007 - Elsevier
A simple and sensitive kinetic-spectrophotometric method was developed for the
determination of ultra trace amount of formaldehyde in food samples. The method was …
determination of ultra trace amount of formaldehyde in food samples. The method was …
[HTML][HTML] The comparison of partial least squares and principal component regression in simultaneous spectrophotometric determination of ascorbic acid, dopamine …
Partial least squares (PLS1) and principal component regression (PCR) are two multivariate
calibration methods that allow simultaneous determination of several analytes in spite of …
calibration methods that allow simultaneous determination of several analytes in spite of …
Simultaneous and highly sensitive determination of selenium and tellurium species in environmental samples by on-line ionic liquid based in-situ solvent formation …
M Llaver, AL Chapana, RG Wuilloud - Talanta, 2021 - Elsevier
A novel on-line preconcentration and speciation analysis method for the simultaneous
determination of inorganic Se and Te species is presented in this work. The methodology is …
determination of inorganic Se and Te species is presented in this work. The methodology is …
Ultraviolet spectroscopic detection of nitrate and nitrite in seawater simultaneously based on partial least squares
H Wang, A Ju, L Wang - Molecules, 2021 - mdpi.com
A direct, reagent-free, ultraviolet spectroscopic method for the simultaneous determination of
nitrate (NO3−), nitrite (NO2−), and salinity in seawater is presented. The method is based on …
nitrate (NO3−), nitrite (NO2−), and salinity in seawater is presented. The method is based on …
Spectrophotometric applications of digital signal processing
RZ Morawski - Measurement Science and Technology, 2006 - iopscience.iop.org
Spectrophotometry is more and more often the method of choice not only in analysis of (bio)
chemical substances, but also in the identification of physical properties of various objects …
chemical substances, but also in the identification of physical properties of various objects …
Preparation and application of Fe3O4@ SiO2@ poly (o-phenylenediamine) nanoparticles as a novel magnetic sorbent for the solid-phase extraction of tellurium in …
M Mehrabian, E Noroozian, S Maghsoudi - Microchemical Journal, 2021 - Elsevier
A novel magnetic polymer (Fe 3 O 4@ SiO 2@ PoPD) is synthesized for the magnetic solid-
phase extraction (MSPE) of tellurium from water samples and its determination by …
phase extraction (MSPE) of tellurium from water samples and its determination by …
[HTML][HTML] Simultaneous determination of trace amounts of cobalt and nickel in water and food samples using a combination of partial least squares method and …
R Khani, F Shemirani - Food Analytical Methods, 2013 - Springer
A new, sensitive, and simple combined method including ionic liquid (IL)-based dispersive
liquid–liquid microextraction and partial least squares method (PLS) was developed for …
liquid–liquid microextraction and partial least squares method (PLS) was developed for …
Recent applications of kinetic methods in multi-component analysis
This review on multi-component kinetic-based determinations covers most publications in
this field during the period 2000–2007. The methodologies applied during recent years have …
this field during the period 2000–2007. The methodologies applied during recent years have …
PARAFAC decomposition of three‐way kinetic‐spectrophotometric spectral matrices based on Phosphomolymbdenum blue complex chemistry for nitrite …
A three‐way analytical methodology experimentally based on kinetic‐spectrophotometric
and parallel factor analysis (PARAFAC) chemometrics analysis was assessed for the …
and parallel factor analysis (PARAFAC) chemometrics analysis was assessed for the …
[HTML][HTML] Dispersive liquid-liquid microextraction-solidified floating organic drop combined with spectrophotometry for the speciation and determination of ultratrace …
S Dadfarnia, AMH Shabani, M Nozohor - Journal of the Brazilian …, 2014 - SciELO Brasil
In this study a simple and inexpensive dispersive liquid-liquid microextraction-solidified
floating organic drop (DLLME-SFOD) has been reported for the separation and speciation of …
floating organic drop (DLLME-SFOD) has been reported for the separation and speciation of …