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ACTIVITY JOINTLY DEVELOPED BY ISTITUTO IMMACOLATA (NOVARA, ITALY).
14º ALCOHOLIC STRENGTH
LEGAL LIMIT 8º - 15º
FREE SULPHUR DIOXIDE 128 mg/L
TOTAL SULPHUR DIOXIDE 57,6 mg/L
 
LEGAL LIMIT 160 mg/L
PAPER CHROMATOGRAPHY
MALIC AND LACTIC ACID
pH = 4
LEGAL LIMIT 2,7 - 3,8
TOTAL ACIDITY mg tartaric acid/L = 5,29 mg/L
LEGAL MINIMUM 4,5 mg/L
VISIBLE SPECTROSCOPY
DILUTION 1:10
UV max 550 nm
optical path lenght 0,4 cm
 
Wavelength         Absorvance
420 nm            0,485
520 nm            0,633
620 nm            0,169
 
ULTRAVIOLET SPECTROSCOPY
DILUTION 1:100
UV max 280 nm
optical path lenght 0,4 cm
 
Wavelength         Absorvance
280 nm            0,557
Ca Concentration in our wine
Absorbance 0,181
Concentartion (Dilution 2:25)  112,4 mg/L
TOTAL INDEX POLIPHENOLS (TIP) 55,7
RECOMENDED 36 - 40
CROMATIC INDEX 5,98
 
HUE
BY O.I.V. 0,47
BY SUDRAUD 0,775
RECOMENDED 0,5 - 0,7
Na Concentration in our wine
Absorbance 78
Concentartion  49,77 mg/L
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