2002
DOI: 10.1016/s0003-2670(02)00871-1
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Simple method for colorimetric spot-test quantitative analysis of Fe(III) using a computer controlled hand-scanner

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Cited by 76 publications
(33 citation statements)
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“…2. It maybe seen that raising the reaction temperature has a marked effect on the outcome of the test and that the values obtained at 35 C are closer to the values for the printed chart than the values obtained at 20 C. Thus, it would seem appropriate for the manufacturers of such tests to include some commentary about the temperature range for which the printed chart is considered appropriate and 0 255 255 255 10 254 254 223 25 254 254 137 50 254 254 101 100 252 222 65 250 251 157 53 500 201 113 44 maybe print more than one version of the chart corresponding to different temperatures. The same comment is relevant to the effect of reaction time.…”
Section: Effect Of Temperaturementioning
confidence: 68%
See 1 more Smart Citation
“…2. It maybe seen that raising the reaction temperature has a marked effect on the outcome of the test and that the values obtained at 35 C are closer to the values for the printed chart than the values obtained at 20 C. Thus, it would seem appropriate for the manufacturers of such tests to include some commentary about the temperature range for which the printed chart is considered appropriate and 0 255 255 255 10 254 254 223 25 254 254 137 50 254 254 101 100 252 222 65 250 251 157 53 500 201 113 44 maybe print more than one version of the chart corresponding to different temperatures. The same comment is relevant to the effect of reaction time.…”
Section: Effect Of Temperaturementioning
confidence: 68%
“…18 Abrazheev et al 19 determined arsenic by a modification of the Gutzeit method in which a function analogous to absorbance was calculated. The first report of the use of the separated red, green, and blue (RGB) colour intensities was in 2002 by Kompany-Zareh et al, 20 who derived a similar absorbance function. Paciornik et al 21 compared the performance of the RGB; cyan, magenta, yellow (CMY); and hue, lightness, saturation (HLS) colour space models and concluded that the best parameter to use was the hue, H. More recently, Sharma et al 22 analyzed the images produced by reaction of arsenic with sulfanilic acid and N-(1-naphthyl)ethylene diamine dihydrochloride solution.…”
mentioning
confidence: 99%
“…Na literatura há vários procedimentos [5][6][7][8][9][10][11][12][13][14] utilizando spot test como, por exemplo, determinação de ácido acetilsalicílico, 5 metildopa, 6 hidroclorotiazida, 7 dipirona 8 e urotropina 9 em produtos farmacêuticos. A determinação de potás-sio em soro sangüíneo, 10 a detecção de espécies adulterantes em urina, 11 análise quantitativa de Fe(III) em aço sintético, 12 o controle de nitritos em água 13 e a determinação do cátion amônio em águas residuárias 14 foram também descritas na literatura. Neste trabalho foram desenvolvidos um procedimento de purificação de peroxidase de batata doce e um spot test para determinação qualitativa de peroxidase nas frações eluídas de uma coluna cromatográfica contendo Sephadex G-100.…”
Section: Introductionunclassified
“…Kompany-Zareh et al 10 determinaram quantitativamente Fe(II) em amostras de aço usando teste de toque. As imagens foram adquiridas por um scanner de mão e a calibração foi efetuada usando rede neural.…”
Section: Introductionunclassified