1-Phenyl 1, 2-butanedione dioxime as a new reagent for the extractive spectrophotometric determination of Co(II) at trace level
IR@NISCAIR: CSIR-NISCAIR, New Delhi - ONLINE PERIODICALS REPOSITORY (NOPR)
View Archive Info| Field | Value | |
| Creator |
Tejam, A B
Thakkar, N V |
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| Date |
2015-03-11T10:12:54Z
2015-03-11T10:12:54Z 1998-05 |
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| Identifier |
0975-0991 (Online); 0971-457X (Print)
http://hdl.handle.net/123456789/30833 |
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| Description |
155-158
<span style="font-size:11.0pt;font-family:" calibri","sans-serif";="" mso-ascii-theme-font:minor-latin;mso-fareast-font-family:"times="" new="" roman";="" mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;="" mso-bidi-font-family:"times="" roman";mso-ansi-language:en-us;mso-fareast-language:="" en-us;mso-bidi-language:ar-sa"="">Cobalt (II) forms yellow coloured complex with 1-phenyl 1, 2-butanedione dioxime <span style="font-size:11.0pt;font-family:" calibri","sans-serif";="" mso-ascii-theme-font:minor-latin;mso-fareast-font-family:"times="" new="" roman";="" mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;="" mso-bidi-font-family:arial;mso-ansi-language:en-us;mso-fareast-language:en-us;="" mso-bidi-language:ar-sa"="">(H<sub>2</sub>PBDD) <span style="font-size: 11.0pt;font-family:" calibri","sans-serif";mso-ascii-theme-font:minor-latin;="" mso-fareast-font-family:"times="" new="" roman";mso-fareast-theme-font:minor-fareast;="" mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"times="" roman";="" mso-ansi-language:en-us;mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">which can be extracted into chloroform under optimum conditions. The chloroform extract shows absorption maximum at 355 nm. The Beer's law is obeyed over the range of 0.5 - 5.0 <span style="font-size:11.0pt;font-family:" calibri","sans-serif";="" mso-ascii-theme-font:minor-latin;mso-fareast-font-family:"times="" new="" roman";="" mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;="" mso-bidi-theme-font:minor-latin;mso-ansi-language:en-us;mso-fareast-language:="" en-us;mso-bidi-language:ar-sa"="">ยต<span style="font-size:11.0pt; font-family:" calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:="" "times="" new="" roman";mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:="" minor-latin;mso-bidi-font-family:"times="" roman";mso-ansi-language:en-us;="" mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">g mL<sup>-1</sup> of cobalt (II), the molar absorptivity and Sandell sensitivity for cobalt (II) -H<sub>2</sub>PBDD system being 6.30 <span style="font-size:11.0pt;font-family:" calibri","sans-serif";="" mso-ascii-theme-font:minor-latin;mso-fareast-font-family:"times="" new="" roman";="" mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-latin;="" mso-bidi-font-family:arial;mso-ansi-language:en-us;mso-fareast-language:en-us;="" mso-bidi-language:ar-sa"="">x <span style="font-size:11.0pt;font-family: " calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:="" "times="" new="" roman";mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:="" minor-latin;mso-bidi-font-family:"times="" roman";mso-ansi-language:en-us;="" mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">10<sup>3</sup> L mol<sup>-1</sup> cm<sup>-1 </sup>and 9.34 ng cm<sup>-2</sup> respectively at 355 nm. The composition of the extracted species has been determined by Job's variation and by mole ratio method and is found to have 1:2 (metal: ligand) stoichiometry. Interference due to diverse cations and anions has been investigated. The method developed has been employed for the determination of cobalt in synthetic and real samples like alloys, pharmaceutical and an ink dryer.</span></span></span></span></span></span></span> |
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| Language |
en_US
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| Publisher |
NISCAIR-CSIR, India
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| Rights |
<img src='http://nopr.niscair.res.in/image/cc-license-sml.png'> <a href='http://creativecommons.org/licenses/by-nc-nd/2.5/in' target='_blank'>CC Attribution-Noncommercial-No Derivative Works 2.5 India</a>
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| Source |
IJCT Vol.05(3) [May 1998]
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| Title |
1-Phenyl 1, 2-butanedione dioxime as a new reagent for the extractive spectrophotometric determination of Co(II) at trace level
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| Type |
Article
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