Overblog Follow this blog
Edit post Administration Create my blog
February 28 2012 3 28 /02 /February /2012 00:54

The production of sodium periodate is very simple. You need tincture of iodine and sodium hypochlorite. Add the sodium hypochlorite to the tincture of iodine. The triiodide ion is oxidized to hypoiodite, whichly quickly oxidizes to iodate, then gradually to periodate: I3(-) + 9 ClO(-) -> 3 IO3(-) + 9 Cl(-)  IO3(-) + ClO(-) -> IO4(-) Sodium periodate is sparingly soluble and crystallizes out as colorless crystals after a few minutes. Here is the sodium periodate. The tincture of iodine coloration has completely disappeared.

 

Sodium-periodate-crystals-2.JPG

Share this post

Repost 0
Published by LanthanumK - in Experiments
write a comment

comments