Optical Density: 420nm, 520nm and 620nm
Measurement of optical density at diagnostic wavelengths can give wine makers an indication of their wine's colour based on its content of anthocyanins and polyphenols.
Method: Optical density is determined with a spectrophotometer.
Amount to send: 100ml
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Where we refer to UKAS Accreditation
Campden BRI (Chipping Campden) Limited is a UKAS accredited testing laboratory No. 1079 Campden BRI (Nutfield) is a UKAS accredited testing laboratory No. 1207