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Ferro Manganese

Welding may produce fumes and gases hazardous to health. Avoid breathing these fumes and gases. Use adequate ventilation. See ANSI Z49.1-1967, Safety in Welding and Cutting, published by American Welding Society. The type of welding identified in all companies was electric arc welding and 90% was MIG on mild steel. A total of 42 welders were monitored for personal exposure to welding fumes. Nearly 60% were overexposed to manganese and 19% were overexposed to iron. Two welders from two different companies had the two highest manganese exposures. Both had worked in isolated welding stations.

- Ferro Manganese
- LC Ferro Manganese
- Medium Carbon Ferro Manganese
- M C Ferro Manganese
- Low Carbon Ferro Manganese
- Ferro Vanadium
- High Carbon Ferro Manganese
- H C Ferro Manganese


  Medium Carbon Ferro Manganese

Manganese, which enters the body primarily via inhalation, can damage the nervous system and respiratory tract, as well as have other adverse effect. Occupational exposures occur mainly in mining, alloy production, processing, ferro-manganese operations, welding and work with agrochemicals. Among the neurologic effects is an irreversible Parkinsonian-like syndrome (Degenerative neurologic disease). A wide spectrum of neuropsychiatric illnesses have been described with manganese toxicity.



  High Carbon Ferro Manganese

Manganese deposits in the brain have been described within the basal ganglia of the brain,the cortex and the medulla. Manganese can reduce dopamine in the caudate nucleus, norepinephrine in the hypothalamus, and neuromelanin in the substantial nigra. It appears that manganese may increase dopamine oxidation with associated free radical formation



  M C Ferro Manganese

Manganese can cause an irreversible Parkinsonian-like syndrome, characterized by fixed gaze, bradykinesia, postural difficulties, rigidity, tremor, dystonia, and decreased mental status. This neurologic condition, first described in two manganese ore-crushing mill workers by Couper in 1837 has been referred to as manganism.



  H C Ferro Manganese

Manganese (pronounced /'mæ?g?ni?z/) is a chemical element that is designated by the symbol Mn and has an atomic number of 25. It is found as the free element in nature (often in combination with iron), and in many minerals. The free element is a metal with important industrial metal alloy uses. Manganese ions are variously colored, and are used industrially as pigments and as oxidation chemicals. Manganese (II) ions function as cofactors for a number of enzymes; the element is thus a required trace mineral for all known living organisms.




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