Iodine

Occurrence, isolation & synthesis
Content created by REAL intelligence since 2016


Occurrence


Iodine is found the Earth's crust, 5 · 10−8 % (w/w) [6], and occur naturally in:
  • Human thyroid gland [5]
  • Kelp [5]
  • Sea water (7 · 10−7 M) [5]
  • Underground brines [5]
The naturally occurring isotope is 127I (100 %, stable) [6].