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- W1970781925 abstract "In this work the possibility of simultaneous spectrophotometric determination of chromium (VI) and iron (III) in alloys with help of the mixed organic reagents (diphenylcarbazide and 1,10-phenanthroline, diphenylcarbazide and sulphosalicylic acid) is studied. We have applied curve fitting method to separate individual signals of chromium (VI) and iron (III) from overlapped absorption spectrum. Peak shape analysis of pure signals of complexes of chromium (VI) with diphenylcarbazide and iron (III) with the 1,10- phenanthroline and sulphosalicylic acid is previously carried out. For adequate application of curve fitting method we chose the optimal empirical models of signals taking into account preliminary information on their shape. Correctness of determination of concentration by means of the offered technique is proved by added-found method for a series of mixtures with different ratios of concentration of chromium (VI) and iron (III). It is founded that the error of determination of concentration doesn't exceed 11%." @default.
- W1970781925 created "2016-06-24" @default.
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- W1970781925 date "2015-04-23" @default.
- W1970781925 modified "2023-09-26" @default.
- W1970781925 title "Simultaneous spectrophotometric determination of chromium (VI) and iron (III) in alloys" @default.
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- W1970781925 doi "https://doi.org/10.1088/1757-899x/81/1/012093" @default.
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