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Titrimetric Analysis of Chloride Concentration in Beers using Synthetic Mercury(II) Compound
Corresponding Author(s) : S.R. Labhade
Asian Journal of Chemistry,
Vol. 33 No. 9 (2021): Vol 33 Issue 9, 2021
Abstract
The monothiocyanato-mercuric(II) nitrate [Hg(SCN)NO3] reagent has been prepared synthetically in an aqueous medium and subjected for studies of titrimetric analysis of chloride concentration in beers. In this studies, a measured volume of beer sample was added into known and an excess amount of Hg(SCN)NO3 reagent and the surplus Hg(SCN)NO3 was determined by back titration against standard potassium thiocyanate (KSCN) solution using ferric nitrate [Fe(NO3)3] indicator. The chloride ion and Hg(SCN)NO3 were found to be reacting in the 1:1 stoichiometric ratio. The amount of chloride in beer was determined with the amount of Hg(SCN)NO3 utilized in the titration reaction. The presence of organic and inorganic materials had no effect on the titrimetric assay of chloride concentration in beers as proved by the chloride recovery experiment. The statistical analysis of results showed average standard deviation of 0.01034 and average relative error 1.12%, which indicates the accuracy of the procedure.
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- H.E. Anderson, I.C. Santos, Z.L. Hildenbrand and K.A. Schug, Anal. Chim. Acta, 1085, 01 (2019); https://doi.org/10.1016/j.aca.2019.07.061
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- A.G. Souliotis, A.P. Grimanis and N.A. Tsanos, Analyst, 90, 499 (1965); https://doi.org/10.1039/an9659000499
- G.H. Jeffery, J. Bassett, J. Mendham and R.C. Denny, Vogel’s Textbook of Quantitative Analysis, Longmann Group Ltd. England, UK, Eds. 5, p. 353, 350, 754, 690 (1989).
- R.A. Day Jr. and A.L. Underwood, Quantitative Analysis, PrenticeHall of India Private Ltd.: New Delhi, Eds. 6, p. 220 (1993).
- N.H. Furman, eds. E. Robert, Chap 14-Chlorine and Chap 29-Mercury, In Standard Methods of Chemical Analysis: The Elements, Krieger Publishing Company: Malabar-Florida, Eds.: 6, vol. 1, p. 332, 329, 662 (1962).
- J.G. Speight, Lange’s Handbook of Chemistry, McGraw-Hill: New York, Eds. 16th, pp. 1.358-1.362 (2005).
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References
H.E. Anderson, I.C. Santos, Z.L. Hildenbrand and K.A. Schug, Anal. Chim. Acta, 1085, 01 (2019); https://doi.org/10.1016/j.aca.2019.07.061
J.A. Rodrigues, A.S. Barros, B. Carvalho, T. Brandão, A.M. Gil and A.C.S. Ferreira, J. Chromatogr. A, 1218, 990 (2011); https://doi.org/10.1016/j.chroma.2010.12.088
C.C. Nascentes, M.Y. Kamogawa, K.G. Fernandes, M.A.Z. Arruda, A.R.A. Nogueira and J.A. Nóbrega, Spectrochim. Acta B At. Spectrosc., 60, 749 (2005); https://doi.org/10.1016/j.sab.2005.02.012
H.C. de Oliveira, J.C.E. da Cunha-Filho, J.C. Rocha and E.G. FernándezNúñez, Int. J. Food Prop., 20(Suppl. 2), 1686 (2017); https://doi.org/10.1080/10942912.2017.1352602
S. Berntsson, J. Inst. Brew., 61, 229 (1955); https://doi.org/10.1002/j.2050-0416.1955.tb02791.x
G.A. Howard and P. Gjertsen, J. Inst. Brew., 83, 161 (1977); https://doi.org/10.1002/j.2050-0416.1977.tb06811.x
A.G. Souliotis, A.P. Grimanis and N.A. Tsanos, Analyst, 90, 499 (1965); https://doi.org/10.1039/an9659000499
G.H. Jeffery, J. Bassett, J. Mendham and R.C. Denny, Vogel’s Textbook of Quantitative Analysis, Longmann Group Ltd. England, UK, Eds. 5, p. 353, 350, 754, 690 (1989).
R.A. Day Jr. and A.L. Underwood, Quantitative Analysis, PrenticeHall of India Private Ltd.: New Delhi, Eds. 6, p. 220 (1993).
N.H. Furman, eds. E. Robert, Chap 14-Chlorine and Chap 29-Mercury, In Standard Methods of Chemical Analysis: The Elements, Krieger Publishing Company: Malabar-Florida, Eds.: 6, vol. 1, p. 332, 329, 662 (1962).
J.G. Speight, Lange’s Handbook of Chemistry, McGraw-Hill: New York, Eds. 16th, pp. 1.358-1.362 (2005).
P. Patnaik, Dean’s Analytical Chemistry, McGraw-Hill: New York, Eds. 2, p. 2.9 (2004).
L.W. Cumming and S. Spice II, J. Pharm. Pharmacol., 4, 321 (2011); https://doi.org/10.1111/j.2042-7158.1952.tb13151.x