Discovery Information |
Who:
Sir Humphrey Davy
|
When: 1808 |
Where: England |
|
Name Origin |
Greek: barys (heavy or dense). |
|
Sources |
Found in barytine (BaSO4) and witherite (BaCO3), never found in pure form due to its high reactivity. |
|
Uses |
Used in sparkplugs, vacuum tubes, fireworks, fluorescent lamps. |
|
Notes |
Barium is a metallic element that is chemically similar to calcium, yet is soft and in its pure form is silvery white resembling lead. |
All water or acid soluble barium compounds are extremely poisonous. |
Must be stored under a petroleum-based fluid (such as kerosene) to remain pure. |