Ean Of Ni Dmg 2
Ni(dmg) 2 2+ complex (Figure 1d) Dimethylgloxine (dmg) is a bidentate ligand that chelates a large number of metals. Only two dmg molecules are required per metal center because Ni(dmg) 2 2+ has a square-planar geometry. Add 1% dmg to the aqueous complex. A solid pink/red precipitate forms, the insoluble Ni(dmg) 2 2+ complex. Molar mass of Ni(dmg)2 is 288.9146 g/mol. Formula in Hill system is C8H14N4NiO4. Elemental composition of Ni((CH3C(NOH)C(NO)CH3))2.
- Nickel-dimethylglyoxime complex (abbreviated as Ni(II)(DMG)2) modified carbon paste and graphite electrodes were prepared by mixing Ni(II)(DMG)2 with graphite paste, and coating Ni(II)(DMG)2 to.
- Mar 30, 2009 2.2. Growth of carbon nanotubes. Carbon nanotubes were produced by pyrolyzing Ni(dmg) 2 at temperatures: 750, 800, 850, 900, 950 and 1000 °C, respectively, under Ar atmosphere. In a typical experiment, a sample of Ni(dmg) 2 (0.2 g) was placed into a crucible and introduced into one end of a silica tube (ID: 20 mm, length 112 cm). The tube was.
| 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. Convert iso disk image to dmg. 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]
References[edit]
Ean Of Ni Dmg 2 Precipitate
- ^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.