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Universal Indicator
 

needchemhelp from chem lab on 2001-07-25 13:02 [#00017786]



does anybody know what colour U.I.(phenolphthalein) turns
water (neutral)? please i need help. surely someone must
know...


 

|REFLEX| from Edmonton, Alberta, Canada on 2001-07-25 15:22 [#00017796]



It depends.. oops sorry I just recall you noted it was
nuetral water... hm.. I believe itsa lite shade of green..
very light. Im not quite sure. I seem to remember.


 

needchemhelp from chem lab on 2001-07-25 15:26 [#00017797]



thats good enough for me....i'll quote you on that one


 

seanc@seanc.co.uk from ENGLAND on 2001-07-25 17:40 [#00017821]



heh.

has someone upset you.



 

Peter File from the Paedoph Isles on 2001-08-07 16:14 [#00020277]



Phenolphthalein is colourless in neutral solution. It turns
purple at pH greater than 8.5


 

things on 2001-08-07 20:22 [#00020317]



Universal Indicator should be green at neutral pH, so water
should be green.
Acid is red, alkaline is blue/purple.
Easy!
...and the reason for the question?


 


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