A U.S. Patent for a “Disposable Liquid Chemical Sensor System” was awarded to Entegris on January 28th, 2020. The present invention is a disposable sensor system comprising: at least one disposable sensor assembly comprising a threaded cap with an index of refraction sensor bonded to the threaded cap, said index of refraction sensor measures a chemical concentration based on a refractive index, said sensor configured to perform data acquisition representing a chemical concentration, the disposable sensor assembly is affixed through a port assembly to a disposable polymeric bag container, the disposable polymeric bag comprising an optical window integrated… Learn More