March 28, 2024, 06:44:17 PM
Forum Rules: Read This Before Posting


Topic: gravimetric analysis of nickel using dimethylglyoxime  (Read 5113 times)

0 Members and 1 Guest are viewing this topic.

Offline weasley123

  • Very New Member
  • *
  • Posts: 1
  • Mole Snacks: +0/-0
gravimetric analysis of nickel using dimethylglyoxime
« on: April 30, 2011, 10:42:43 PM »
Hi all, regarding this experiment, does anyone know 1) why does the solution be kept below 80 degree celsius during the precipitation stage? 2) why is it necesasry to wash the precipitate until it is free from chlorine and 3) the possible sources of error and how to minimise them?

Offline argulor

  • Regular Member
  • ***
  • Posts: 27
  • Mole Snacks: +2/-1
Re: gravimetric analysis of nickel using dimethylglyoxime
« Reply #1 on: May 08, 2011, 05:43:10 PM »
1) So if we are precipitating it what don;t we want to happen during this stage? 2) If we are doing a gravimetric analysis of NiHDMG it should be obvious why we dont want chlorine 3) Just think about it, look through your procedure especially key aspects that involve the precipation!
Hope I could help...

Sponsored Links