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H-Point Standard Addition Method for Simultaneous Determination of Zinc and Nickel in Micellar Media

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1TitleTitle of DocumentH-Point Standard Addition Method for Simultaneous Determination of Zinc and Nickel in Micellar Media
2CreatorAuthor's name, affiliation, country RAJNI ROHILLA and USHA GUPTA*
Department of Chemistry, Punjabi University Patiala, Punjab, India
3SubjectDicipline(s) Chemical Science
3SubjectKeywords HPSAM, Zinc, Nickel, Simultaneous determination and triton x-100
4DescriptionAbstract The H-point standard addition method (HPSAM) has been applied for simultaneous determination of Zn(II) and Ni(II) at trace levels, using Alizarin Red S (ARS) as chromogenic reagent. Both Ni(II) and Zn(II) form red colored complex with Alizarin red S at pH 7.0 which are soluble in triton x-100. Zn(II) and Ni(II) have been determined simultaneously in the concentration range of 0.320-4.55 µg/mL and 0.293-4.676 µg/mL respectively with satisfactory accuracy and precision. The results of applying H-point standard addition method show that Zn(II) and Ni(II) ions can be determined simultaneously with concentration ratio of 15:1 and 1:16 of Zn(II) to Ni(II). This method is based on the difference in the absorbance of Zn(II) and Ni(II) - ARS complexes at pH 7.0 using different wavelength pairs.
5PublishersOrganizing agency, location WWW Publications, India
6Contributor Sponsor(s) -
7DateDate (YYYY-MM-DD) -
8TypeStatus & genre Peer-reviewed Article
8TypeType
9FormateFile Formate PDF
10IdentifierUniform Resource Identifier Click Here
10IdentifierDigital Object Identifier
11SourceJournal/conference title; vol., no. (Year)Chemical Science Transactions, Volume  1 , Number  (3), (2012)
12LanuguageEnglish=en en
13RelationSupp.files
14Coverage -
15CopyrightCopyright and permissions
Chemical Science Transactions | Chem Sci Trans | CST | Online Chemistry Journal | Open Access
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