| arsenic |
Arsenic in its pure form is a deadly poison. However, when used to color glass, it chemically bonds with the glass very tightly, and poses no risk to the wearer at all. ART Precious & Collectible Jewelry
출처: beadbear.com/glossary1ab.shtml
|
|---|---|
| arsenic |
Arsenic is a highly poisonous semi-metallic element. According to a 1999 study by the National Academy of Sciences, arsenic can cause bladder, lung, and skin cancer and may cause kidney and liver cancer.
출처: envirocitizen.inknoise.com/cleanenergy/2005/02/14/...
|