Grape Chemistry as of 9-15-13

Varietal

Date

Sugar (Brix)

pH

Total Acidity (%)

Barbera

8-23-13

23.0

3.00

1.38

8-31-13

25.4

3.16

1.23

9-7-13

25.8

3.19

1.14

Primitivo

8-17-13

19.5

3.14

1.20

8-23-13

21.8

3.27

0.87

8-30-13 (1)*

22.2

3.40

0.77

8-30-13 (2)*

23.2

3.38

0.81

8-30-13 (mean)

22.7

3.39

0.79

9-6-13

24.1

3.48

0.74

Tempranillo

8-17-13

19.4

3.25

0.46

8-23-13

20.8

3.39

0.42

8-30-13

21.8

3.50

0.40

9-6-13

22.0

3.60

0.34

Touriga Nacional (Quinta)

8-31-13

21.9

3.24

0.72

9-7-13

22.0

3.27

0.63

9-15-13

24.0

3.30

0.58

Touriga Nacional (non-Quinta)

9-15-13

23.3

3.34

0.58

 

*On 8/30/13, two independent samples were collected from the whole primitivo field to give an indication of sampling error.