Determination of Sulfate in Environmental Water by Spectrophotometric Flow Injection Analysis
Sulfate ion in environmental water was determined by flow injection analysis using barium-dimethylsulfonazo-III complex as the reagent at a rate of 12 samples per hour. The linearity and sensitivity were investigated using ethanol-or dimethyl sulfoxide (DMSO)-water as solvent, respectively. DMSO-wat...
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| Veröffentlicht in: | Eisei kagaku 1998/02/28, Vol.44(1), pp.49-53 |
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| container_start_page | 49 |
| container_title | Eisei kagaku |
| container_volume | 44 |
| creator | KORENAGA, Takashi YANG, Yi SHIBATA, Kensuke MOTONAKA, Junko IKEDA, Sanae |
| description | Sulfate ion in environmental water was determined by flow injection analysis using barium-dimethylsulfonazo-III complex as the reagent at a rate of 12 samples per hour. The linearity and sensitivity were investigated using ethanol-or dimethyl sulfoxide (DMSO)-water as solvent, respectively. DMSO-water medium was beneficial in the determination of a low concentration of sulfate below 3 mg l-1. The calibration curve was linear in the range of 0.1-7 mg l-1 with the correlation coefficient of 0.999. The detection limit was 0.1 mg l-1. The relative standard deviation for 10 injections of SO42- (5 mg l-1) was 1.8%. The results of actual sample analysis agreed satisfactorily with those obtained by ion chromatography. |
| doi_str_mv | 10.1248/jhs1956.44.49 |
| format | Article |
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The linearity and sensitivity were investigated using ethanol-or dimethyl sulfoxide (DMSO)-water as solvent, respectively. DMSO-water medium was beneficial in the determination of a low concentration of sulfate below 3 mg l-1. The calibration curve was linear in the range of 0.1-7 mg l-1 with the correlation coefficient of 0.999. The detection limit was 0.1 mg l-1. The relative standard deviation for 10 injections of SO42- (5 mg l-1) was 1.8%. 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The linearity and sensitivity were investigated using ethanol-or dimethyl sulfoxide (DMSO)-water as solvent, respectively. DMSO-water medium was beneficial in the determination of a low concentration of sulfate below 3 mg l-1. The calibration curve was linear in the range of 0.1-7 mg l-1 with the correlation coefficient of 0.999. The detection limit was 0.1 mg l-1. The relative standard deviation for 10 injections of SO42- (5 mg l-1) was 1.8%. 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The linearity and sensitivity were investigated using ethanol-or dimethyl sulfoxide (DMSO)-water as solvent, respectively. DMSO-water medium was beneficial in the determination of a low concentration of sulfate below 3 mg l-1. The calibration curve was linear in the range of 0.1-7 mg l-1 with the correlation coefficient of 0.999. The detection limit was 0.1 mg l-1. The relative standard deviation for 10 injections of SO42- (5 mg l-1) was 1.8%. The results of actual sample analysis agreed satisfactorily with those obtained by ion chromatography.</abstract><pub>The Pharmaceutical Society of Japan</pub><doi>10.1248/jhs1956.44.49</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals |
| subjects | acid rain dimethylsulfonazo-III environmental water flow injection analysis sulfate |
| title | Determination of Sulfate in Environmental Water by Spectrophotometric Flow Injection Analysis |
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