You raise an interesting question. How much can we rely on Wikipedia as a reference? It is not peer reviewed. I recommend confirming any information from a more reliable source. Bill Lipton On Wed, Aug 26, 2009 at 1:49 PM, Laurence Doemeny
wrote: > http://en.wikipedia.org/wiki/PH_indicator > > try this!!! > > -----Original Message----- > From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**list.uvm.edu] On Behalf Of > Andrew Gross > Sent: Wednesday, August 26, 2009 7:09 AM > To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU > Subject: [DCHAS-L] pH Indicator Question > > Hi All, > > I'm in a bit of a pinch. I think my pH meter is down in my lab and I > need to analyze some samples. > > I need to titrate some phosphoric acid sample with sodium hydroxide > and I need a compatible indicator that will change at pH 9. If anyone > knows off hand what that indicator is, please email me back and/or > call my cell phone at 516-633-3528. > > Thanks, > Andrew Gross >
You raise an interesting question.=A0 How much can we rely on Wikipedi a as a reference?=A0 It is not peer reviewed.=A0 I recommend confirming any information from a more reliable source.=A0Bill Lipton
=A0On Wed, Aug 26, 2009 at 1:49 PM, Laurence Doemen y <ldoemeny**At_Symbol_Here**cox.ne t> wrote:
http://en.wikipedia.org/wiki/PH_ind icatortry this!!!
-----Original Message-----
From: DCHAS-L Discussio n List [mailto:DCHAS-L**At_Symbol_Here**list.uvm.edu ] On Behalf Of
Andrew Gross
Sent: Wednesday, August 26, 2009 7:09 AM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Sub ject: [DCHAS-L] pH Indicator Question
Hi All,
I'm in a bi t of a pinch. =A0I think my pH meter is down in my lab and I
need to ana lyze some samples.I need to titrate some phosphoric acid sample with sodium hydroxide
and I need a compatible indicator that will change at pH 9. =A0If anyone
knows off hand what that indicator is, please email me back and/or
call my cell phone at 516-633-3528.Thanks,
Andrew Gross
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