tungstate


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tungstate

[′təŋ‚stāt]
(inorganic chemistry)
M2WO4 A salt of tungstic acid; for example, sodium tungstate, Na2WO4.
(mineralogy)
Any species of mineral containing the radical WO4, such as wolframite.
References in periodicals archive ?
At lower pH values, molybdate and tungstate undergo condensation reactions and form larger complex oxoanions, but may still preserve their solubility (Pope 1983).
In this work, tungstate or vanadate-doped PPy was synthesized on the surface of A1 flakes by employing water as a reaction medium.
The peak at 714.61 [cm.sup.-1] was interpreted as an antisymmetric bridging mode, associated with the tungstate chains [21, 22].
"A detailed description of the pathways involved in the pancreatic effects of tungstate is provided in our paper.
The reaction was stopped by the addition of 100 [micro]l of sodium tungstate solution (100 g/l) and 100 [micro]l of sulfuric acid (0.33 mmol/l); the eppendorf flask was mixed for 10 s, following addition of 1000 [micro]l of distilled water.
Calcium tungstate was the phosphor of choice until rare-earth screens became widely available.
We treated 200 [micro]L of plasma, calibrator, or quality-control sample with 20 [micro]L of perchloric acid (150 g/L), 20 [micro]L of sodium tungstate (250 g/L), and 100 [micro]L of internal standard (15 mg/L MPAC in acetonitrile) as described previously (9).
(17.) Li, DD, Wang, FY, Yu, X, Wang, J, Liu, Q, Yang, PP, He, Y, Wang, YL, Zhang, ML, "Anticorrosion Organic Coating with Layered Double Hydroxide Loaded with Corrosion Inhibitor of Tungstate." Prog.
AH Plus has calcium tungstate and zirconium oxide in its composition [28] and this association produces superior radiopacity [29].
Chang, "Synthesis and luminescence properties of [Ln.sup.3+] ([Ln.sup.3+] = [Er.sup.3+], [Sm.sup.3+])-doped barium lanthanum tungstate Ba[La.sup.2]W[O.sub.7] phosphors," Optical Materials, vol.
Ltd., India), and sodium tungstate (purity 99%, Pratap Chemical Industries Pvt.
Kobayashi, "Surface characterization of sulfate, molybdate, and tungstate promoted Ti[O.sub.2]-Zr[O.sub.2] solid acid catalysts by XPS and other techniques," Applied Catalysis A, vol.