Sodium Hydroxide and Acid testing

- M
- Marty Phee
  
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posted
18 years ago

Fri, Dec 23, 2005 5:05 AM

I have 1/5N NaOH. If I use it to test acid using a ph meter do I double the reading?

I plan on buying some 1/10, but for the time being...

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- T
- Tom S
  
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posted
18 years ago

Fri, Dec 23, 2005 5:01 PM

- D
- Droopy
  
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posted
18 years ago

Fri, Dec 23, 2005 5:13 PM

Yeah, the standard freshman chem second lab (the first is using the analytical balance).

It is enough to make someone NOT want to be a chemist. And it is funny, winemaking is one of the last industries to use titration....other labs like water quality have long since switches to much more sensitive methods.

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- Marty Phee
  
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posted
18 years ago

Fri, Dec 23, 2005 5:47 PM

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- Tom S
  
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posted
18 years ago

Sat, Dec 24, 2005 1:43 AM

If those pH numbers are accurate I'm not so sure I'd monkey with the TA. Those are reasonable for red wines. OTOH, if the wines taste flat you might kick the TA up a tad with tartaric and chill out the excess bitartrate. Let your palate be your guide. The numbers are _guidelines_ - not rules.

Tom S

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