FIELD: chemistry.
SUBSTANCE: apparatus has an electronic analyser which can carry out reference measurement using an optical transmitter and a receiver in order to determine a reference measured value (CG), measure contamination of the detergent solution under analysis using the optical transmitter and receiver in order to determine a check measured value (MG), establish the ratio of the reference measured value (CG) to the check measured value (MG) and based on the obtained data, calculate the coefficient (turb) of the found contamination of the detergent solution and output it in form of a signal of a measuring device. Determination of the reference and check measured values involves calculating the contamination gradient.
EFFECT: invention enables to reduce the amount of required washing solution.
22 cl, 6 dwg
