Name: THE REACTION OF ALUMINIUM WITH IODINE @ceeaerasmus6013
Uploaded: 2017-04-25T01:29:31-0400
Duration: 8 min 17 s
Description: Aluminium dust reacts with iodine once the mixture is treated with a few drops of hot water. The reaction is vigorous, strongly exothermic being associated with iodine sublimation.

WATER HARDNESS DETERMINATION VIA TITRATION REACTIONS @ceeaerasmus6013

Uploaded May 2017 | Updated September 2026, 6 hours ago

Water hardness is determined with a complex of commercially available chemicals. Calmagite is added to a water sample giving a red complex with Mg and Ca ions. Adding EDTA solution to the sample the much stable MgEDTS complex is formed which free the calmagite which turns blue whan is not complexed with this earth alkaline salts.

WATER HARDNESS DETERMINATION VIA TITRATION REACTIONS

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