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Vanadium (V)

放大字體  縮小字體 發(fā)布日期:2007-05-28
核心提示:The uptake of vanadium by humans mainly takes place through foodstuffs, such as buckwheat, soybeans, olive oil, sunflower oil, apples and eggs. Vanadium can have a number of effects on human health, when the uptake is too high. When vanadium uptake

The uptake of vanadium by humans mainly takes place through foodstuffs, such as buckwheat, soybeans, olive oil, sunflower oil, apples and eggs.

Vanadium can have a number of effects on human health, when the uptake is too high. When vanadium uptake takes places through air it can cause bronchitis and pneumonia.

The acute effects of vanadium are irritation of lungs, throat, eyes and nasal cavities.

Other health effects of vanadium uptake are:

- Cardiac and vascular disease
- Inflammation of stomach and intestines
- Damage to the nervous system
- Bleeding of livers and kidneys
- Skin rashes
- Severe trembling and paralyses
- Nose bleeds and throat pains
- Weakening
- Sickness and headaches
- Dizziness
- Behavioural changes

The health hazards associated with exposure to vanadium are dependent on its oxidation state. Elemental vanadium could be oxidized to vanadium pentoxide during welding. The pentoxide form is more toxic than the elemental form. Chronic exposure to vanadium pentoxide dust and fumes may cause severe irritation of the eyes, skin, upper respiratory tract, persistent inflammations of the trachea and bronchi, pulmonary oedema, and systemic poisoning.

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關鍵詞: Vanadium (V)
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