The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. For more information, call the ATSDR Information Center at 1-800-232-4636. This public health statement tells you about vanadium and the effects of exposure to it.
ToxFAQs™ for Vanadium. CAS#: . PDF Version [92.4 KB] This fact sheet answers the most frequently asked health questions (FAQs) about vanadium. For more information, call the ATSDR Information Center at 1-800-232-4636. This fact sheet is one in a series of summaries about hazardous substances and their health effects.
Denver. Phone. 303-236-1800. Fax. 303-236-3200. Minerals. Vanadium is used primarily in the production of steel alloys; as a catalyst for the chemical industry; in the making of ceramics, glasses, and pigments; and in vanadium redox-flow batteries (VRBs) for large-scale storage of electricity. World vanadium resources in 2012 were estimated …
Mo Cu Ni: 0.40 1.3 0.25 0.50 0.18 trace: V: 0.17 : Combat aircraft/parts for aircraft and rockets/other: ... One of the compounds of this metal, vanadium pentoxide (V 2 O 5), which contains V at the highest oxidation state +5, has been reported to easily reach the alveolar surface, ...
Vanadium pentoxide is used in different, industrial processes as catalyst: In the contact process it serves for the oxidation of SO 2 to SO 3 with oxygen at 440°C. Besides it is used in the oxidation of ethanol to ethanale and in the production of phthalic anydride, polyamide, oxalic acid and further products. Vanadium pentoxide melts at 690 ...
2.1 Preparation of precursor solution. In a typical synthesis procedure, 10 g vanadium pentoxide (V 2 O 5, 99.9 % pure) powder was heated to 880 °C in a crucible until molten, and then poured it into 400 mL deionized water at room temperature.After vigorous stirring for 2 h, a brownish sol was formed. The Mo and W ions co-doped …
Vanadium pentoxide is also commercially available in South Africa as granular and R-grade powders with a minimum purity of 99.5% and grain sizes of > 45 µm and < 150 µm, respectively (Highveld Steel & Vanadium Corporation Ltd, 2003). 1.1.5 Analysis Occupational exposure to vanadium pentoxide is determined by measuring total vana-
Vanadium oxide can be reduced by hydrogen to obtain metallic vanadium. The reactions are carried out from high valence to low valence, and finally vanadium metal is obtained. In pure dry hydrogen the vanadium pentoxide is heated to 600°C and kept at this temperature for 3 h and then heated to 900°C–1000°C and kept at this temperature …
Vanadium pentoxide is a brown yellow inorganic compound with the chemical formula V 2 O 5. This material is widely used for the development of gas sensors. In this section, the structural, electrical and optical properties of vanadium pentoxide are presented. Their influence on the gas sensing mechanism of vanadium pentoxide is …
The standard for high-purity vanadium pentoxide (GB-3283-87), with a molecular formula V 2 O 5, is shown in Table 13.6. 1. High-purity vanadium pentoxide. Vanadium pentoxide is an orange powder with a relative density of 3.357. It is soluble in acid and alkali solutions, slightly soluble in water, and insoluble in anhydrous ethanol.
The stoichiometric factor for vanadium pentoxide (V₂O₅) from vanadium is 1.785. The physical form of a sample (dust, mist, or fume) is identified by the compliance officer using available documentation of materials and processes. Smaller filters recommended for sampling inside welding hoods. Results will be reported from the …
The chemical compositions are Bi–V–Mo–O and Bi–V–O. Bismuth vanadate has a temperature tolerance of <600°C, and oil absorption of 15–30, light resistance grade 8, and heat resistance grade 4–5. It has good acid ... Vanadium pentoxide (V 2 O 5) is also known as alum anhydride, vanadic acid anhydride, vanadium (acid) anhydride ...
Vanadium pentoxide (V 2 O 5) is an important catalyst in the chemical industry. Vanadium catalysts are a series of catalysts containing vanadium compounds as active components. The active components of vanadium catalysts commonly used in industry include V-containing oxides, chlorides, and complexes and heteropoly salts.
Visit ChemicalBook To find more Vanadium(V) oxide() information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. You can also browse global suppliers,vendor,prices,Price,manufacturers of Vanadium(V) …
1 Introduction Vanadium (V) is a transition metal discovered in 1801 by the mineralogist Andrés Manuel del Río in Mexico. 1 It is the 6 th most abundant transition metal on Earth, the 21 st most abundant chemical element in the Earth's crust and the 2 nd most abundant chemical element in seawater. 2–5 The world top 3 producers and reserve holders are …
LOUIS MO 63103 UNITED STATES Telephone : +1 314 771-5765 Fax : +1 800 325-5052 1.4 Emergency telephone ... vanadium pentoxide TWA 0.05 mg/m3 USA. ACGIH Threshold Limit Values (TLV) Remarks Confirmed animal carcinogen with unknown relevance to humans
This review article is a comprehensive report on vanadium oxides which are interesting materials for environmental applications. Therefore, a general overview of vanadium and its related oxides are presented in the first two parts. Afterwards, the physical properties of binary and ternary vanadium oxides in single and mixed valence states are described …
Vanadium pentoxide (V 2 O 5) is perhaps vanadium's most useful compound. It is used as a mordant, a material which permanently fixes dyes to fabrics. Vanadium pentoxide is also used as a catalyst in certain chemical reactions and in the manufacture of ceramics. Vanadium pentoxide can also be mixed with gallium to form superconductive magnets.
Vanadium Pentoxide () is Yellow Solid. It is also known as Vanadic Anhydride and Divanadium Pentoxide. Storage: Keep container tightly closed. Keep container in a cool, well-ventilated area. Waste Disposal: Waste must be disposed of in accordance with federal, state and local environmental control regulations.
Petcoke is a solid carbon-rich residue produced during petroleum refining. Petcoke mineral matter is rich in vanadium that, when alloyed with other metals, can significantly improve its properties. Vanadium extraction from steel slags is well studied, while extraction from secondary sources such as petcoke is not well understood. …
Elemental vanadium does not occur in nature; however, vanadium compounds exist in 65 different mineral ores and in association with fossil fuels. It has six oxidation states (2-, 1-, 0, 2+, 3+, 4+, and 5+) of which 3+, 4+, and 5+ are the most common (Crans et al. 1998). The toxicologically significant . compounds are vanadium pentoxide (V 2 O 5
f Vanadium Pentoxide can cause a greenish-black discoloration of the tongue. f Exposure to Vanadium Pentoxide can cause headache, dizziness, nausea and vomiting. f Inhaling Vanadium Pentoxide can irritate the lungs causing coughing and/or shortness of breath. Higher exposures may cause a build-up of fluid in the lungs (pulmonary edema), a
Vanadium ores and concentrates 72 18 1 330 41 Ferrovanadium 1,980 1,590 2,810 3,130 2,500 Vanadium pentoxide, anhydride 2,870 2,460 3,400 4,600 4,000 Oxides and hydroxides, other 94 660 148 98 140 Aluminum-vanadium master alloys 143 157 288 281 240 Ash and residues 4,600 2,820 2,540 2,810 2,100