โ–ธโ–ธ
  • ๐Ÿ‡ฌ๐Ÿ‡ง Iodine
  • ๐Ÿ‡จ๐Ÿ‡ณ ็ข˜
  • ๐Ÿ‡ณ๐Ÿ‡ฑ Jood
  • ๐Ÿ‡ซ๐Ÿ‡ท Iode
  • ๐Ÿ‡ฉ๐Ÿ‡ช Iod
  • ๐Ÿ‡ฎ๐Ÿ‡ฑ ื™ื•ื“
  • ๐Ÿ‡ฎ๐Ÿ‡น Iodio
  • ๐Ÿ‡ฏ๐Ÿ‡ต ใƒจใ‚ฆ็ด 
  • ๐Ÿ‡ต๐Ÿ‡น Iodo
  • ๐Ÿ‡ท๐Ÿ‡บ ะ˜ะพะด
  • ๐Ÿ‡ช๐Ÿ‡ธ Yodo
  • ๐Ÿ‡ธ๐Ÿ‡ช Jod

Iodine: historical information

  • Discoveror: Bernard Courtois
  • Place of discovery: France
  • Date of discovery: 1811
  • Origin of name : from the Greek word "iodes" meaning "violet".

Iodine was discovered by Barnard Courtois in 1811. He isolated iodine from treating seaweed ash with sulphuric acid (H2SO4) while recovering sodium and potassium compounds.