NISCAIR Online Periodicals Repository

NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR)  >
NISCAIR PUBLICATIONS >
Research Journals >
Indian Journal of Chemical Technology (IJCT) >
IJCT Vol.12 [2005] >
IJCT Vol.12(6) [November 2005] >


Title: Indirect complexometric determination of mercury(II) using 1-propane thiol (PT) as a selective masking agent
Authors: Parameshwara, P
Karthikeyan, J
Shetty, A Nityananda
Shetty, Prakash
Keywords: Mercury(II)
1-propane thiol
masking agent
complexometric titration
Issue Date: Nov-2005
Publisher: CSIR
IPC CodeC22B43/00
Abstract: A complexometric method for the determination of mercury(II) in presence of other metal ions is described based on the selective masking action of 1-propane thiol towards mercury(II). Mercury(II) present in a given sample solution is first complexed with an excess of EDTA and the unreacted EDTA is titrated against lead nitrate solution at pH 5-6 (hexamine buffer) using xylenol orange as the indicator. A 0.8% aqueous solution of 1-propane thiol is then added to displace EDTA from the Hg(II)-EDTA complex. The released EDTA is titrated with standard lead nitrate solution as before. Reproducible and accurate results are obtained for 4-85 mg of mercury(II), with relative error less than ±0.23 % and coefficient of variation not more than ±0.41 %. The effects of various ions were studied. The method is used for the analysis of mercury(II) in its synthetic alloy mixtures and also in complexes.
Page(s): 727-729
ISSN: 0975-0991 (Online); 0971-457X (Print)
Source:IJCT Vol.12(6) [November 2005]

Files in This Item:

File Description SizeFormat
IJCT 12(6) 727-729.pdf34.57 kBAdobe PDFView/Open
 Current Page Visits: 819 
Recommend this item

 

National Knowledge Resources Consortium |  NISCAIR Website |  Contact us |  Feedback

Disclaimer: NISCAIR assumes no responsibility for the statements and opinions advanced by contributors. The editorial staff in its work of examining papers received for publication is helped, in an honorary capacity, by many distinguished engineers and scientists.

CC License Except where otherwise noted, the Articles on this site are licensed under Creative Commons License: CC Attribution-Noncommercial-No Derivative Works 2.5 India

Copyright © 2012 The Council of Scientific and Industrial Research, New Delhi. All rights reserved.

Powered by DSpace Copyright © 2002-2007 MIT and Hewlett-Packard | Compliant to OAI-PMH V 2.0

Home Page Total Visits: 639735 since 06-Feb-2009  Last updated on 15-Dec-2014Webmaster: nopr@niscair.res.in