Tris vanadate

Audubert F, Savariault JM, Lacout JL (1999) Pentalead tris(vanadate) iodide, a defect vanadinite-type compound. Acta Ciystallogr C55 271-273... 

Bismuth tritelluride, 4 24 physical properties of, 4 20t Bismuth trithiocyanate, 4 25 Bismuth Vanadate Yellow, 19 405-406 pigment for plastics, 7 370t Bismuthyl carbonate hemihydrate, 4 25 Bismuthyl nitrate hemihydrate, 4 25 Bismuthyl nitrite hemihydrate, 4 25 Bis(lV-maleimidomethyl) ether (BME), hemoglobin modifier, 4 113 Bisoprolol fumarate, molecular formula and structure, 5 156t Bis(pentafluorophenyl)borane, 13 638 Bis(pentafluorophenyl)tri-4-tolylbismuth, 4 35... 

AIPO4-5 molecular sieve (BET surface area, 299 m g ) used in this study was prepared by the method of Wilson et al. [1j. VjOg/AIPO -S samples were prepared by impregnating with aqueous solutions of ammonium vanadate after removing templating agent in the AIPO -S by calcining at 530°C. The samples were dried at 110 C for 24 h then calcined in air at 550°C for 2 h. VAPO -S was prepared from gel mixture of phosphoric acid, pseudoboehmite, vanadium pentoxide, tri-propylamine and water (1.3 PrjN x AljOj PjOj 40 HjO) by crystallization at 165°C for 3 - 7 days [7. ... 

The effectiveness of photocatalytic membranes - in which Ti02 alone or together with tri-(ferf-butyl)- and tri-(isopropyl)vanadate were co-immobilized - were compared (Gianturco et al, 1997 Bellobono et al, 1998) for the... 

Oxidation of one of the hydroxyl groups of a 1,2 glycol to form an a-hydroxy carboxylic acid increases the complexity of the vanadate chemistry. Mono, di, tri and higher nuclearity compounds are formed with a-hydroxy carboxylic acids. Except for the dimeric products, the structures adopted by these compounds are not known with any degree of certainty. 

Tracey, A.S. and M.J. Gresser. 1988. Vanadium(V) oxyanians Interactions of vanadate with l,l,l-tris(hydroxymethyl)ethane and with the buffer tns(hydroxymethyl )am i nomcthanc. Inorg. Chem. 27 1269-1275. 

The same complex was obtained from tetraethylammonium penlacarbonyl(pyridine)-vanadate(l-) and 2,3,4-tri-/-butyl-l,2,3,4-telluratriphosphetane in tetrahydrofuran at... 

Tris(tetraethylammonium) nonachlorodi vanadate (III) forms red crystals which are very easily hydrolyzed and easily oxidized thus they are most conveniently stored in a manifold such as that illustrated in Fig. 9. The solid is placed in the manifold in a dry-box and then sealed off in vacuo. The glass balls help to prevent the solid caking. When a sample is required it is tapped into one of the sidearms, which is then sealed off. The spectral4,6 and magnetic4,6 properties of the compound are consistent with some vanadium-vanadium interaction within the binuclear anion. 

Acid and alkaline phosphatases which are believed to pass through a phosphorylated intermediate during the hydrolysis of p-nitrophenolphosphate are inhibited by vanadate )68-69. In the case of alkaline phosphatase from E. Coli, V02+ inhibits better than vanadate(V) (Table 2)68. Typical inhibitor plots are shown in Fig. 10. The reduction of the effectiveness of VOz+ as an inhibitor by about a factor of five in tris buffer probably stems from the complexation of the metal ion by tris. Such complexation is known to occur21. ... 

Tris(triphenylsilyl) vanadate with triphenylsilanol is an efficient catalyst for the rearrangement of a 17a-ethynyl-17/3-hydroxy-steroid (140) to give the pregn-17(20)-en-21-al (142). A vanadate ester (141) is assumed to transfer oxygen as illustrated. 

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