Chemical reagents for non-medical trade, industrial, commercial, scientific, laboratory and field use; chemical reagents for use with sample testing, liquid testing, water testing, effluent testing, ion specific testing, pH testing, turbidity testing, water conditioning, water purification, optical testing, color testing, all for non-medical purposes; chemical reagents for use with optical test apparatus and test cells for non-medical purposes; chemical reagents for non-medical purposes in tablet, powder in capsule and liquid in capsule form

Scientific, laboratory, trade, commercial, industrial and field measurement and testing apparatus and instrumentation, namely, titration apparatus, biological oxygen demand meters, heaters for sample softening in optical and color measurement apparatus, turbidity meters, flocculation and sedimentation meters, chemical oxygen demand meters, redox meters, pH-value meters, thermometers, oxygen saturation and concentration meters, salinity meters, chlorine meters, and water hardness meters; color comparators, namely, nesslerizers; spectrophotometers; color analytical instrumentation, namely, colorimeters and spectrophotometers; color measurement apparatus in the nature of colorimeters, cameras and image processing software sold as a unit; color test apparatus in the nature of spectrophotometers and colorimeters; color reference and color standard test apparatus in the nature of visual and automatic colorimeters; scientific, laboratory and field apparatus for comparing colors of liquids and solids with permanent color reference standards; color reference standards in the nature of colored glasses, transparencies, films, slides and discs, for use in color measurement, comparison and testing; filters for optical devices; colorimeters;colorimetric analytical instruments, namely, optical test apparatus for comparing colors to permanent color standards; color grading instruments in the nature of comparators for identifying a sample by a specified color grade; color comparators; comparators; color test cells in the form of transparencies, films, slides, and discs for testing using spectrophotometry, photometry and fluorescence; water test apparatus for monitoring and detecting contamination, inorganic and organic components and physical and electrochemical parameters; water quality parameter test apparatus for monitoring and detecting contamination, inorganic and organic components and physical and electrochemical parameters; photometers; portable photometric test kits comprises of test cells in the form of transparencies, films, slides, and discs and photometry and spectrophotometer apparatus; ion specific photometric analytical instruments; parametric concentration measurement apparatus in the nature of photometers and spectrophotometers; laboratory equipment in the nature of lighting cabinets and lamps for optical and color measurement, comparison and testing; laboratory equipment in the nature of heaters for sample softening in optical and color measurement, comparison and testing; computer programs and software in connection with optical testing, color testing, colorimetry, color comparators, spectrophotometry, water testing and conditioning