Here is the PowerPoint slide show that I presented at Winestock this year:
<a href="/images/uploads/20101201_180536_PH_Acid_and_SO2.pdf" target="_blank">/images/uploads/20101201_180536_PH_Acid_and_SO2.pdf
</a>
If you do not have PowerPoint a viewer can be downloaded here:
http://www.microsoft.com/downloads/details.aspx?FamilyId=428D5727-43AB-4F24-90B7-A94784AF71A4&displaylang=en
/images/uploads/20071031_043753_pH_Acid_SO2_in_.pps
<a href="/images/uploads/20101201_180536_PH_Acid_and_SO2.pdf" target="_blank">/images/uploads/20101201_180536_PH_Acid_and_SO2.pdf
</a>
If you do not have PowerPoint a viewer can be downloaded here:
http://www.microsoft.com/downloads/details.aspx?FamilyId=428D5727-43AB-4F24-90B7-A94784AF71A4&displaylang=en
/images/uploads/20071031_043753_pH_Acid_SO2_in_.pps