TY - JOUR
T1 - Method development for the determination of fluorine in water samples via molecular absorption of CaF using a high-resolution continuum source electrothermal atomic absorption spectrophotometer
AU - Ozbek, N.
AU - Akman, S.
N1 - Publisher Copyright:
© Owned by the authors, published by EDP Sciences, 2013.
PY - 2013/4/23
Y1 - 2013/4/23
N2 - In this study, determination of fluorine in water samples was established via the rotational fine structured molecular absorption of calcium mono-fluoride (CaF) at 606.440 nm using a high-resolution continuum source electrothermal atomic absorption spectrophotometer. To generate CaF in the gas phase of graphite furnace, samples were pipetted together with calcium as its nitrate form. The effect of amount of calcium, graphite furnace program, coating the graphite tube and platform with Zr and Ir and the use of modifier (Pd, Mg and Pd+Mg) on the sensitivity and linearity were investigated. In the presence of 40 μg of Ca, a perfect linearity up to 0.1 μg of F was maintained applying a pyrolysis temperature of 700°C and a molecule forming temperature of 2250°C in pyrolytically coated platforms. The limit of detection and characteristic mass of the method were 0.21 ng and 0.13 ng of F, respectively.
AB - In this study, determination of fluorine in water samples was established via the rotational fine structured molecular absorption of calcium mono-fluoride (CaF) at 606.440 nm using a high-resolution continuum source electrothermal atomic absorption spectrophotometer. To generate CaF in the gas phase of graphite furnace, samples were pipetted together with calcium as its nitrate form. The effect of amount of calcium, graphite furnace program, coating the graphite tube and platform with Zr and Ir and the use of modifier (Pd, Mg and Pd+Mg) on the sensitivity and linearity were investigated. In the presence of 40 μg of Ca, a perfect linearity up to 0.1 μg of F was maintained applying a pyrolysis temperature of 700°C and a molecule forming temperature of 2250°C in pyrolytically coated platforms. The limit of detection and characteristic mass of the method were 0.21 ng and 0.13 ng of F, respectively.
KW - Calcium monofluoride (CaF)
KW - Fluorine determination
KW - High-resolution continuum source electrothermal atomic absorption spectrometry (HR-CSETAAS)
KW - Molecular absorption spectrometry (MAS)
KW - Water samples
UR - http://www.scopus.com/inward/record.url?scp=85016455133&partnerID=8YFLogxK
U2 - 10.1051/e3sconf/20130105006
DO - 10.1051/e3sconf/20130105006
M3 - Conference article
AN - SCOPUS:85016455133
SN - 2267-1242
VL - 1
JO - E3S Web of Conferences
JF - E3S Web of Conferences
M1 - 05006
T2 - 16th International Conference on Heavy Metals in the Environment, ICHMET 2012
Y2 - 23 September 2013 through 27 September 2013
ER -