| Titrations....drivin me crazy.. |
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| Have u been driven crazy as well..by these titrations??? |
| yes |
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80% |
[ 4 ] |
| No |
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20% |
[ 1 ] |
| Sometimes |
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0% |
[ 0 ] |
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| Total Votes : 5 |
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| Author |
Message |
Narmada
Probably not a bot. Junior Member.
Joined: 08 May 2005
Posts: 3
Location: Germany
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 Posted: Sun May 08, 2005 7:10 pm Post subject: Titrations....drivin me crazy.. |
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Hey..
Can anybody please explain to me the concept of back titration and why its is carried out?
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Borek
Regular
Joined: 03 May 2005
Posts: 39
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| Posted: Sun May 08, 2005 10:55 pm Post subject: Re: Titrations....drivin me crazy.. |
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| Narmada wrote: |
| Can anybody please explain to me the concept of back titration and why its is carried out? |
You have some sample to be analysed, but for some reasons (stoichiometry, kinetics or something else) the substance doesn't react with the titrants you may use. So you add KNOWN amount of the substance that reacts with your sample and then you titrate EXCESS of that added substance. KNOWN minus EXCESS is the amount that reacted with the original substance.
Best,
Borek
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