Anyone have any advice / shortcuts on using Ripper method for determining
free SO2? Been struggling with the procedure layed out by Margalit. It's
terribly time consuming and full of opportunities for error - especially
first titrating for the normality factor of the iodine solution before even
titrating for the SO2.

Anyone have any shortcuts that are verifiable? Or alternative methods; short
of aeration-oxidation (I'm not clever enough to build the appratus!).

test
Ric wrote:
> Anyone have any advice / shortcuts on using Ripper method for determining
> free SO2? Been struggling with the procedure layed out by Margalit. It's
> terribly time consuming and full of opportunities for error - especially
> first titrating for the normality factor of the iodine solution before even
> titrating for the SO2.
>
> Anyone have any shortcuts that are verifiable? Or alternative methods; short
> of aeration-oxidation (I'm not clever enough to build the appratus!).

Ric,
Titrettes are a somewhat expensive alternative; they are a reverse
ripper. They have all of the same drawbacks as the ripper method
though. I don't do the ripper either, more due to laziness than
anything else...
Ric wrote:
> Anyone have any advice / shortcuts on using Ripper method for determining
> free SO2? Been struggling with the procedure layed out by Margalit. It's
> terribly time consuming and full of opportunities for error - especially
> first titrating for the normality factor of the iodine solution before even
> titrating for the SO2.
>
> Anyone have any shortcuts that are verifiable? Or alternative methods; short
> of aeration-oxidation (I'm not clever enough to build the appratus!).

Ditto that - one concern I've heard / read; the titrettes are not altogether
accurate. True / false?


"Joe Sallustio" > wrote in message
oups.com...
> Ric,
> Titrettes are a somewhat expensive alternative; they are a reverse
> ripper. They have all of the same drawbacks as the ripper method
> though. I don't do the ripper either, more due to laziness than
> anything else...
> Ric wrote:
>> Anyone have any advice / shortcuts on using Ripper method for determining
>> free SO2? Been struggling with the procedure layed out by Margalit. It's
>> terribly time consuming and full of opportunities for error - especially
>> first titrating for the normality factor of the iodine solution before
>> even
>> titrating for the SO2.
>>
>> Anyone have any shortcuts that are verifiable? Or alternative methods;
>> short
>> of aeration-oxidation (I'm not clever enough to build the appratus!).
>

True with reds, because they emulate the Ripper method. The problem
lies there. There should be some posts on this in the archives...

Joe

wrote:
> Ditto that - one concern I've heard / read; the titrettes are not altogether
> accurate. True / false?
>

> True with reds, because they emulate the Ripper method. The problem
> lies there. There should be some posts on this in the archives...

You may find section 14 of the SO2 Article at
http://www.brsquared.org/wine useful.

Ben

Ben,
Every time I go back to your site I learn something new, great work.
Much appreciated.

Joe


Ben Rotter wrote:
> > True with reds, because they emulate the Ripper method. The problem
> > lies there. There should be some posts on this in the archives...
>
> You may find section 14 of the SO2 Article at
> http://www.brsquared.org/wine useful.
>
> Ben