Special Material Vanadium Pentoxide Flake

Vanadium pentoxide flake is mainly used in the smelting of ferrovanadium, because it is toxic and carcinogenic, so it can not be directly touched by hands, skin and eyes, protective equipment must be worn, and it cannot be used and inhaled.

1.Vanadium pentoxide flake is significantly acidic, alkaline is not strong, it can be soluble in acid to form the corresponding yellow metavanadate, and can be precipitated into metavanadate acid at about PH2, and can also be soluble in alkali to form metavanadate solution.

2.The positive pentavalent vanadium in vanadium pentoxide flake can be reduced to obtain VIV, a blue VO(H2O)52+ vanadium oxide ion in an acidic medium. Hydrochloric acid and hydrobromic acid are used as reducing agents, and the oxidation products are the corresponding halogen elements.

3.The main invasion routes of vanadium pentoxide flake's effects on humans are: inhalation, ingestion, and transdermal absorption. Health hazards: Harmful effects on the respiratory system and skin. Acute poisoning: It can cause nasal, pharyngeal and pulmonary irritation, most workers have itchy throat, dry cough, chest tightness, general malaise, fatigue and other manifestations, and some patients can cause nephritis and pneumonia. Chronic poisoning: Long-term exposure can cause chronic bronchitis, kidney damage, visual impairment, etc. However, trace amounts of vanadium (less than 50 micrograms/L) have hypoglycemic effects and can be used as trace element drugs for the treatment of diabetes.

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