1998
DOI: 10.1016/s0039-9140(98)00006-x
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Spectrophotometric determination of nitrite based on its catalytic effect on the oxidation of carminic acid by bromate

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Cited by 23 publications
(10 citation statements)
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“…The hydrocarbon cores of these micelles have the unique ability to solubilize hydrophobic compounds, which are otherwise sparsely soluble in water. [15][16][17][18] The traditional water-insoluble chelating agents, such as dithiozone, can be trapped in the hemi-micelles on alumina. This sorbent is useful for the preconcentration of trace amounts of copper and mercury in aqueous sample.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…The hydrocarbon cores of these micelles have the unique ability to solubilize hydrophobic compounds, which are otherwise sparsely soluble in water. [15][16][17][18] The traditional water-insoluble chelating agents, such as dithiozone, can be trapped in the hemi-micelles on alumina. This sorbent is useful for the preconcentration of trace amounts of copper and mercury in aqueous sample.…”
Section: Introductionmentioning
confidence: 99%
“…This sorbent is useful for the preconcentration of trace amounts of copper and mercury in aqueous sample. [16][17][18] To date no such studies have been directed at lead.…”
Section: Introductionmentioning
confidence: 99%
“…The commonly used methods for nitrite determination include the spectrophotometric [3][4][5][6], chromatographic [7,8], FIA-CL flow injection-chemiluminescence [9,10] and electrochemical methods such as amperometry [11], voltammetry [12][13][14][15], and polarography [16][17][18][19].…”
Section: Introductionmentioning
confidence: 99%
“…Although, these methods are quite sensitive, they are plagued by several limitations as they are tedious, time consuming and require fairly sophisticated equipment. Recently, many papers have been published on the determination of nitrite, based on its catalytic effect on the oxidation of organic compounds by bromate (Manzoori et al 1998;Zhang et al 1998a, b) or hydrogen peroxide (Liang et al 1994). These methods are highly sensitive, require careful control of the temperature and suffer from strong interference from sulphide, iodide, thiocyanate, vanadium and iron salts.…”
Section: Introductionmentioning
confidence: 99%