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Title: Development of a new rapid and selective substoichiometric method for the gravimetric estimation of some elements employing organic reagents in complex matrices
Researcher: Sampat Hetal Krushnaraj
Guide(s): Dr.Turel Z. R.
Keywords: 2-Mercaptobenzothiazole
Gravimetric method
Sequential separation
Substoichiometric precipitaton
Upload Date: 7-Oct-2013
University: Narsee Monjee Institute of Management Studies
Completed Date: 23/08/2013
Abstract: It has long been recognized that the analysis of any actual sample is often complicated newlineby interferences among sample constituents and therefore chemical separations newlinebecome mandatory. Scientists are incessantly hunting for better analytical methods newlinewhich can bestow an advantage over the existing methods. This thesis addresses an newlineattempt made to respond to the challenges faced in gravimetric analysis. newlineIt contributes to the development of new method for the gravimetric estimation of newlinenickel(II), cobalt(II) and zinc(II) using 2-mercaptobenzothiazole as a chelating agent. newlineIt includes the study of optimization of parameters for the quantitative precipitation of newlinethe analyte along with study of interference of salts of various anions and cations. It newlinealso extrapolates the usefulness of the developed method in realistic scenarios by newlineincorporating the validation of the developed methods in spiked samples and its newlineapplication to actual samples. newlineFortunately, the new methods developed in the present work required a very short newlinetime of digestion as compared to other gravimetric methods available in literature, newlinethereby providing the laboratory an opportunity to save time. Also, the application of newlinesubstoichiometric precipitation along with the use of appropriate masking agents has newlinehelped in increasing the selectivity of the developed method. newlineThe thesis thus offers an insight of a more attractive alternative to the traditional newlinegravimetric methods available for nickel(II), cobalt(II) and zinc(II). Furthermore, it newlinealso provides a solution to the problem of sequential separation and estimation of the newlineabove three allied elements when present together. newline newline
Appears in Departments:Department of Chemical Sciences

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01_title page.pdfAttached File541.62 kBAdobe PDFView/Open
02_table of content.pdf406.13 kBAdobe PDFView/Open
03_abstract.pdf70.73 kBAdobe PDFView/Open
04_chapter 1.pdf482.33 kBAdobe PDFView/Open
05_chapter 2.pdf451.07 kBAdobe PDFView/Open
06_chapter 3.pdf257.43 kBAdobe PDFView/Open
07_chapter 4.pdf448.47 kBAdobe PDFView/Open
08_chapter 5.pdf475.09 kBAdobe PDFView/Open
09_chapter 6.pdf513.63 kBAdobe PDFView/Open
10_chapter 7.pdf212.92 kBAdobe PDFView/Open
11_synopsis.pdf4.63 MBAdobe PDFView/Open
12_references.pdf221.32 kBAdobe PDFView/Open
13_presentations & publications.pdf122.4 kBAdobe PDFView/Open

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