Abstract: The present invention provides a package for a phase stable, liquid nonaqueous detergent, comprising:a plastic, relatively thin-walled container, said container having an end wall and a circumscribing side wall which narrows to a finish, and a liquid detergent contained in said container, said detergent comprising:(a) 20-90% of a liquid portion which comprises an alkoxylated nonionic surfactant;(b) 5-50% of a solids portion which comprises:(i) a builder;(ii) 0-20% of the detergent of an oxidant; said solids being stably suspended in said liquid portion, by means of(c) a phase stabilizing amount of a lower alkylated fused ring polyarylene sulfonate; and(d) 0-5% of a hydrolytic enzyme;whereby the phase stability of said liquid detergent in storage in said container is controlled, by the selection of either:(1) said container being constructed of a homopolymeric resin, said container having a minimum average cross-sectional dimension r/2 of at least about 6.

Abstract: An improved pH probe based on fiber optics and a unique cross-linked terpolymer of methacrylamidopropyl-trimethyl ammonium chloride, sodium acrylamidopropane sulfonate, and acrylamide, the terpolymer having bound thereto an indicator dye.