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Salt Bridge pH wacky
Moderators: kgudger, bfinio, MadelineB, Moderators
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Johnny_Doherty
- Posts: 1
- Joined: Sun Jan 04, 2015 10:15 am
- Occupation: Student
- Project Question: I am doing a project with salt bridges but using 4 different salts in four different bridges. My way of testing it is by checking which has the pH to see which bridge changed it at the greatest rate. The problem forms when I put my pH probes in the water, one shoots up to 14 and the other to -6 which is way off.
- Project Due Date: 1/5/2015
- Project Status: I am conducting my experiment
Salt Bridge pH wacky
When I try to measure the pH of my solutions, the anode shoots up to 14.397 and the the cathode down to -6.088. Obviously this is not right and I'm not sure what's wrong. Plus they stay constant, not changing at all.
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norman40
- Former Expert
- Posts: 1022
- Joined: Mon Jul 14, 2014 1:49 pm
- Occupation: retired chemist
- Project Question: Volunteer
- Project Due Date: n/a
- Project Status: Not applicable
Re: Salt Bridge pH wacky
Hello Johnny_Doherty,
I'm assuming that you are working on the project described at this link:
https://www.sciencebuddies.org/science- ... p087.shtml
From your description it appears that something is wrong with your pH meter. Do you have a calibration solution that you can use to make sure your pH meter is working properly?
I hope this helps. Please ask again if you have more questions.
A. Norman
I'm assuming that you are working on the project described at this link:
https://www.sciencebuddies.org/science- ... p087.shtml
From your description it appears that something is wrong with your pH meter. Do you have a calibration solution that you can use to make sure your pH meter is working properly?
I hope this helps. Please ask again if you have more questions.
A. Norman