Estimation Of Nickel Ii Using Dimethylglyoxime Dmg
Dimethylglyoxime (DMG) is widely used and for the spectrophotometric determination of nickel 3,4 it has also been used for separation and preconcentration of Ni by liquid-liquid extraction 5 or solid phase extraction 6-8 but all of these separation methods suffer from lack of selectivity.
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Names | |
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IUPAC name nickel;N-[(Z)-3-nitrosobut-2-en-2-yl]hydroxylamine | |
Other names | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
EC Number | |
PubChemCID | |
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Properties | |
C8H14N4NiO4 | |
Molar mass | 288.917 g·mol−1 |
Appearance | red solid |
Density | 1.698 g/cm3 |
Hazards | |
GHS pictograms | |
GHS Signal word | Warning |
H315, H317, H319, H335, H351 | |
P201, P202, P261, P264, P271, P272, P280, P281, P302+352, P304+340, P305+351+338, P308+313, P312, P321, P332+313, P333+313, P337+313, P362, P363, P403+233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Infobox references |
Nickel bis(dimethylglyoximate) is the coordination complex with the formula Ni[ONC(CH3)C(CH3)NOH]2. The compound is a bright red solid. It achieved prominence for its use in the qualitative analysis of nickel.[1]
Structure[edit]
Nickel(II) is square planar.[2] It is surrounded by two equivalents of the conjugate base (dmgH−) of dimethylglyoxime (dmgH2). The pair of organic ligands are joined through hydrogen bonds to give a macrocyclic ligand. The complex is distinctively colored and insoluble leading to its use as a chelating agent in the gravimetric analysis of nickel.
The use of dimethylglyoxime as a reagent to detect nickel was reported by L. A. Chugaev in 1905.[3]
To install from a.dmg file you usually do the following:. A.dmg file is kind of like an USB stick in a file and can be handled more or less the same way. How do dmg deliver their packages.
Estimation Of Nickel Ii Using Dimethylglyoxime Dmg Free
Estimation Of Nickel Ii Using Dimethylglyoxime Dmg Download
References[edit]
Estimation Of Nickel Ii Using Dimethylglyoxime Dmg 1
- ^Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN978-0-08-037941-8.
- ^Donald E. Williams, Gabriele Wohlauer, R. E. Rundle (1959). 'Crystal Structures of Nickel and Palladium Dimethylglyoximes'. J. Am. Chem. Soc. 81: 755–756. doi:10.1021/ja01512a066.CS1 maint: uses authors parameter (link)
- ^Tschugaeff, Lev (1905). 'Über ein neues, empfindliches Reagens auf Nickel' [About a new, sensitive reagent on nickel] (PDF). Berichte der deutschen chemischen Gesellschaft (in German). 38 (3): 2520–2522. doi:10.1002/cber.19050380317.