GF09500778
Tungsten
wire reel, 5m, diameter 0.05mm, clean, 99.95%
Synonyme(s) :
Tungsten, W 005135, W
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About This Item
Formule empirique (notation de Hill):
W
Numéro CAS:
Poids moléculaire :
183.84
Numéro MDL:
Code UNSPSC :
12141747
ID de substance PubChem :
Nomenclature NACRES :
NA.23
Pureté
≥99.95%
Forme
wire
Fabricant/nom de marque
Goodfellow 095-007-78
Résistivité
4.9 μΩ-cm, 20°C
Point d'ébullition
5660 °C (lit.)
Pf
3410 °C (lit.)
Densité
19.3 g/mL at 25 °C (lit.)
Chaîne SMILES
[W]
InChI
1S/W
Clé InChI
WFKWXMTUELFFGS-UHFFFAOYSA-N
Description générale
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Informations légales
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Vernon G Thomas et al.
Ecotoxicology and environmental safety, 72(4), 1031-1037 (2009-02-24)
The toxicity of elemental tungsten released from discharged shot was assessed against previous studies that established a 1% toxic threshold for soil organisms. Extremely heavy theoretical shot loadings of 69,000shot/ha were used to generate estimated environmental concentrations (EEC) for two
Matthias Boll et al.
Biological chemistry, 386(10), 999-1006 (2005-10-13)
The molybdenum enzymes 4-hydroxybenzoyl-CoA reductase and pyrogallol-phloroglucinol transhydroxylase and the tungsten enzyme acetylene hydratase catalyze reductive dehydroxylation reactions, i.e., transhydroxylation between phenolic residues and the addition of water to a triple bond. Such activities are unusual for this class of
Malcolm H Chisholm et al.
Chemical record (New York, N.Y.), 5(5), 308-320 (2005-10-08)
The reaction of M2(O2CBu(t))4 (M = Mo, W) with a dicarboxylic acid in toluene yields compounds of general formula [M2]-O2C-X-CO2-[M2] ([M2] = M2(O2CBu(t))3; X = conjugated spacer). The M2 units are electronically coupled via interactions between the M2 delta and
Carlos D Brondino et al.
Current opinion in chemical biology, 10(2), 109-114 (2006-02-17)
Mononuclear molybdenum and tungsten are found in the active site of a diverse group of enzymes that, in general, catalyze oxygen atom transfer reactions. Enzymes of the xanthine oxidase family are the best-characterized mononuclear Mo-containing enzymes. Several 3D structures of
José L Domingo
Biological trace element research, 88(2), 97-112 (2002-09-26)
Tungstate is an oxyanion that has biological similarities to vanadate. In recent years, a number of studies have shown the antidiabetic effects of oral tungstate in animal models of diabetes. However, because of the tissue accumulation and potential toxicity derived
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