METHOD FOR SIMULTANEOUS OPTICAL MEASUREMENT OF A PH-VALUE AND DISSOLVED OXYGEN CONTENT

摘要

The invention relates to an optical method, by means of which the pH-value of a solution and the dissolved oxygen content thereof can be measured. Said method is based on the use of two optical indicators in only one sensor matrix, whereby both indicators deliver two optical signals, which can be differentiated from each other and associated with the respective measured variables. Said invention also relates to corresponding materials and to the use thereof.