Abstract − Analytical Sciences, 29(6), 677 (2013).
Solid-phase Spectrophotometry for On-site Analysis of Trace Elements in Natural Water
Sarenqiqige,*1 Sulistyo SAPUTRO,*2 Satsuki KAI,*1 Makoto SATODA,*3 Shiro MATSUOKA,*4 and Kazuhisa YOSHIMURA*1
*1 Department of Chemistry, Faculty of Sciences, Kyushu University, Hakozaki, Higashi, Fukuoka 812-8581, Japan
*2 Department of Mathematics and Natural Science Education, Faculty of Teacher Training and Education Science, Sebelas Maret University, Surakara-57126, Indonesia
*3 Satoda Science, Hitonose, Ogaki, Etajima, Hiroshima 737-2101, Japan
*4 Department of Environmental Science, Faculty of Science, Niigata University, Ikarashi, Niigata 950-2181, Japan
*2 Department of Mathematics and Natural Science Education, Faculty of Teacher Training and Education Science, Sebelas Maret University, Surakara-57126, Indonesia
*3 Satoda Science, Hitonose, Ogaki, Etajima, Hiroshima 737-2101, Japan
*4 Department of Environmental Science, Faculty of Science, Niigata University, Ikarashi, Niigata 950-2181, Japan
A new, simple and sensitive solid-phase spectrometry (SPS) that is easily applicable to the on-site analysis of targeted chemical components in water at μg dm−3 or sub-μg dm−3 levels is proposed in this study. The main features of the SPS are the simplicity of operation, high sensitivity and applicability to real samples without the need for any pretreatment procedures. A portable spectrophotometer, consisting of an LED light source, a grating and a CCD, was used for the solid-phase light measurements. The universal applicability of the proposed system to on-site analysis was evaluated by determining phosphate, chromium(VI) and iron(II) in natural water.
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