PARAMETER

RANGE     

METHOD 

Brix

68 +/- 1 (at 20ºC)

IFU 1

Clarity

>90 % (% T at 20nm)

Spectrophotometry,16 brix

Color

75-85% (%T at 440nm)

Spectrophotometry 16 brix

Acidity

0.8-1.2(% w/w as tartaric acid

IFU 3

Turbidity

<5 NTU

Nephelometry

pH (*)

2.5-3.6

IFU 11

Iron (ppm) (*)

<5

Colorimetric

Potassium (ppm)(*)

>260

Flame photometry

Calcium (ppm)(*)

60-180

AA

Magnesium (ppm)(*)

30-70

AA

Sodium (ppm)(*)

100-200

Flame photometry

Peotin

Negative

Alcohol test

SO2(**)

<50

IFU 7º

ACB

Negative

NFPA (K medium)

Yeast and mold

<20 ufc/10 g

Membrane filtration

Bacterias

None

Membrane filtration

Coliforms

None

Membrane filtration