Analysis and control of soln. concentrations

Analysis and control of soln. concentrations

The solution colour is determined using a light beam which is sensed by two different coloured light sensitive bodies in a detector; one is the same colour as the solution and the other, its complementary colour. The resulting voltage difference is measured and gives the solution concentration.

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Bibliographische Detailangaben
Hauptverfasser: GOTE ULF VILHELM AUGUSTSSON, DAN MIKAEL KENT AUGUSTSSON
Format: Patent
Sprache:eng ; swe
Schlagworte:
COLORIMETRY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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Beschreibung
Zusammenfassung:The solution colour is determined using a light beam which is sensed by two different coloured light sensitive bodies in a detector; one is the same colour as the solution and the other, its complementary colour. The resulting voltage difference is measured and gives the solution concentration.