Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Prinya Masawat"'
Autor:
Prinya Masawat
Publikováno v:
Maejo International Journal of Science and Technology, Vol 2, Iss 02, Pp 418-430 (2008)
A simple, cheap and highly sensitive system with on-line preconcentration using solid-phase extraction in conjunction with flow injection spectrophotometry for the determination of tetracycline residues in milk samples is described. C18 was used as p
Externí odkaz:
https://doaj.org/article/9e1004fb75424309897eb6e651cf51bb
Autor:
Prinya Masawat
Publikováno v:
Maejo International Journal of Science and Technology, Vol 2, Iss 02, Pp 374-382 (2008)
A miniaturization micro volume auto titrator coupled with electrochemical end-point detector was designed and fabricated for the determination of acidity of some Thai citrus fruit juices collected in the northern area of Thailand. The method was base
Externí odkaz:
https://doaj.org/article/d6b1cd06ec5b40ee8568fb2ca88ddfff
Autor:
Prinya Masawat
Publikováno v:
Maejo International Journal of Science and Technology, Vol 2, Iss 01, Pp 201-209 (2008)
In this paper, a small dual light-emitting diode (LED)-based detector for FIA process analyser has been designed. The detector’s optical parts comprise a flow-through cell, a dual-blue LED and a photodiode. Neither mirrors nor lenses are used. The
Externí odkaz:
https://doaj.org/article/b30e70bd6d734d9bbabbce4129134207
Publikováno v:
Analytical Methods. 14:4321-4329
The workflow schematic of the proposed sample preparation procedure for iron(iii) determination in whole wheat bread, granola, and crispy seaweed samples.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7830a23e1fd1fc21bfa0d6191d36370a
https://doi.org/10.1039/d2ay01345b
https://doi.org/10.1039/d2ay01345b
Publikováno v:
Food Analytical Methods. 13:2290-2300
The novelty of this research work lies in a simple, fast, and plausible analysis of acrylamide in food samples accomplished using an iOS gadgets–based digital imaging colorimeter (iOS gadgets–based DIC). This method is based on fluorescence color
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2352df0283628b5c69ae3530bb65bdc9
https://doi.org/10.1007/s12161-020-01835-y
https://doi.org/10.1007/s12161-020-01835-y
Autor:
Pattarawadee Kheamphet, Prinya Masawat
Publikováno v:
Analytical methods : advancing methods and applications. 14(2)
This paper describes smartphone-based digital imaging equipment for lead, cadmium, copper, and zinc determination in Thai rice that is both convenient and cost-effective. This smartphone-based digital imaging device has a built-in light control box m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cac5fa98b361828037ebaa72c20f13a
https://pubmed.ncbi.nlm.nih.gov/34929724
https://pubmed.ncbi.nlm.nih.gov/34929724
Publikováno v:
Analytical Letters. 52:550-561
An iPod-based digital image colorimeter was developed for the determination of lead(II) in cassava. The method is based on the color values of a lead(II) solution following its reaction with dithiz...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5c7f3b354046dc8bf7bc9daf66200b9
https://doi.org/10.1080/00032719.2018.1476526
https://doi.org/10.1080/00032719.2018.1476526
Publikováno v:
Analytical Letters. 50:173-185
A green iOS digital image colorimeter was fabricated for the determination of total iron in natural water. A mobile application operating on an iOS device was designed using Euclidean distance theo...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7edf11d91eea8e185e3505c4fc5f1d6
https://doi.org/10.1080/00032719.2016.1174869
https://doi.org/10.1080/00032719.2016.1174869
Publikováno v:
Scientific Research and Essays. 9:35-42
Digital image–based colorimetry (DIC) coupled with artificial neural network (ANN) was studied for the determination of phosphorus in natural rubber (NR) latex. The method is based on the RGB (Red, Green, and Blue) value of an image of phosphorus s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::557e9a5341554ef4e9982d9076af7d73
https://doi.org/10.5897/sre2013.5722
https://doi.org/10.5897/sre2013.5722
Publikováno v:
Computers and Electronics in Agriculture. 166:104981
A fast, plausible, and novel analysis using smart device-based digital image colorimetry (smart device-based DIC) method based on color measurements obtained from digital images of curcumin solutions to determine curcumin in turmeric is proposed. Dig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81d172909c941937595f7039bb16299f
https://doi.org/10.1016/j.compag.2019.104981
https://doi.org/10.1016/j.compag.2019.104981