Manganese Facts
Manganese Facts
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| Interesting Manganese Facts: |
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| Johann Gottlieb Gahn was the first scientist to isolate manganese from pyrolusite in 1774. |
| Pyrolusite, as it was called, is now known as manganese dioxide. |
| Cave paintings dating from the Stone Age contained manganese pigments. |
| Manganese resembles iron, but with a silver gray color. |
| It is part of the iron group of elements. |
| It oxidizes easily, but does not fuse easily. |
| It rusts in a matter very similar to iron in water. |
| Manganese has ones stable isotope, Mn-55. |
| There are eighteen known radioactive isotopes of manganese. |
| The most stable radioisotope is Mn-53, which has a 3.7 million-year half-life. |
| Manganese dioxide is fairly common in nature. |
| It is vital for the production of steel, accounting for about 90% of the manganese mined today. |
| It has also been used for glassmaking, pigments, and production of stainless steel. |
| Manganese is also used to alloy with aluminium, since it has properties resistant to corrosion. |
| During World War II, manganese replaced most of the nickel in US coins, as nickel became scarce. |
| Trace amounts of manganese are important for mitochondrial function in living cells. |
| The average human body contains about twelve grams of manganese, found mostly in the skeleton. |
| While manganese is non-toxic in small amounts, its dust can have harmful effects. |
| Exposure to manganese is covered by OSHA. |
| Prolonged exposure to manganese , especially in drinking or shower water, has been linked to intellectual impairments, childhood disorders, degenerative diseases, and more. |
| Manganism is a neurological disorder associated with long-term exposure to manganese. |
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