The juice analysis results for the berry samples collected this morning is as follows: 29-Sep-14 Cultivar ˚Brix pH TA g/100ml Catawba W 18.1 3.33 1.013 Norton NN 22.5 3.45 1.054 Norton NS 21.8 3.35 1.185 Norton R 22.9 3.44 1.031   … [Read more...] about Grape juice chemistry

Here is the juice analysis results from the berries taken YESTERDAY morning, September 24. 24-Sep-14 Cultivar ˚Brix pH TA g/100ml Catawba W 17.5 3.20 1.180 Norton F 23.3 3.31 0.840 Due to problems with the pH meter, I think the pH results may be lower than actual. The TAs were determined by visual assessment of phenolpthalien color … [Read more...] about Grape juice chemistry

The juice analysis results for the berry samples collected this morning are as follows: 22-Sep-14 Cultivar ˚Brix pH TA g/100ml Catawba W 17.7 3.25 1.062 Chambourcin F 22.4 3.31 0.780 Chambourcin M 22.5 3.42 0.769 Norton F 23.0 3.37 0.848   … [Read more...] about Grape juice chemistry