- Determine Mass Of Ni2+ In Ni Dmg 2017
- Determine Mass Of Ni2 In Ni Dmg 2 Structure
- Determine Mass Of Ni2 In Ni Dmg 2 Preparation
- Determine Mass Of Ni2+ In Ni Dmg 2016
- Determine Mass Of Ni2+ In Ni Dmg 2015
Nickel(III) Sulfate Ni2(SO4)3 Molar Mass, Molecular Weight.
Determine Mass Of Ni2+ In Ni Dmg 2017
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ChEMBL | |
ChemSpider |
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ECHA InfoCard | 100.002.201 |
EC Number | |
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UNII | |
CompTox Dashboard(EPA) | |
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Properties | |
C4H8N2O2 | |
Molar mass | 116.120 g·mol−1 |
Appearance | White/Off White Powder |
Density | 1.37 g/cm3 |
Melting point | 240 to 241 °C (464 to 466 °F; 513 to 514 K) |
Boiling point | decomposes |
low | |
Structure | |
0 | |
Hazards | |
Main hazards | Toxic, Skin/Eye Irritant |
Safety data sheet | External MSDS |
GHS pictograms | |
GHS Signal word | Danger |
H228, H301 | |
P210, P240, P241, P264, P270, P280, P301+310, P321, P330, P370+378, P405, P501 | |
NFPA 704 (fire diamond) | |
Related compounds | |
Hydroxylamine salicylaldoxime | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
verify (what is ?) | |
Infobox references |
Dimethylglyoxime is a chemical compound described by the formula CH3C(NOH)C(NOH)CH3. Its abbreviation is dmgH2 for neutral form, and dmgH for anionic form, where H stands for hydrogen. This colourless solid is the dioxime derivative of the diketone butane-2,3-dione (also known as diacetyl). DmgH2 is used in the analysis of palladium or nickel. Its coordination complexes are of theoretical interest as models for enzymes and as catalysts. Many related ligands can be prepared from other diketones, e.g. benzil.
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Preparation[edit]
Dimethylglyoxime can be prepared from butanone first by reaction with ethyl nitrite to give biacetyl monoxime. The second oxime is installed using sodium hydroxylamine monosulfonate:[1]
Complexes[edit]
Dimethylglyoxime is used to detect and quantify nickel, which forms the bright red complex nickel bis(dimethylglyoximate) (Ni(dmgH)2). The reaction was discovered by L. A. Chugaev in 1905.[2]
Cobalt complexes have also received much attention. In chloro(pyridine)cobaloxime[3] the macrocycle [dmgH]22− List files in a dmg. mimics the macrocyclic ligand found in vitamin B12.
- Analysis of en by HCl titration Mass of Ni en complex analyzed 0295 g from CHEM 1101 at Appalachian State University.
- Determine moles of HCl, determine miles of en, determine mass of en, determine moles of Ni by solving for moles of Ni(DMG)2, degrrmine grams of Ni, find moles of sulfate= moles of nitrate, fin mass pf sulfate, mass of analysized salt - en+ni+so4 = mass of water lost, solve for moles lf water lost, divide all moles by Ni moles.
- Molar mass of Ni(OH)2 is 92.7081 g/mol. Compound name is nickel(ii) hydroxide. Formula in Hill system is H2NiO2. Elemental composition of Ni(OH)2.
Determine Mass Of Ni2 In Ni Dmg 2 Structure
Structure of chloro(pyridine)cobaloxime.
Determine Mass Of Ni2 In Ni Dmg 2 Preparation
References[edit]
Determine Mass Of Ni2+ In Ni Dmg 2016
- ^Semon, W. L.; Damerell, V. R. (1930). 'Dimethylglyoxime'. Organic Syntheses. 10: 22. doi:10.15227/orgsyn.010.0022.CS1 maint: multiple names: authors list (link)
- ^Lev Tschugaeff (1905). 'Über ein neues, empfindliches Reagens auf Nickel'. Berichte der Deutschen Chemischen Gesellschaft. 38 (3): 2520–2522. doi:10.1002/cber.19050380317.
- ^Girolami, G. S.; Rauchfuss, T.B.; Angelici, R. J. (1999). Synthesis and Technique in Inorganic Chemistry: A Laboratory Manual (3rd ed.). pp. 213–215.
Determine Mass Of Ni2+ In Ni Dmg 2015
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