Chemical reagents for use in industry, science and laboratory; chemical reagents for use in testing of samples, liquids, water, and sewage, for ion specifity testing, ph testing and turbidity testing, for use with water treatment, water purification, and for use in optical tests and color tests; chemical reagents for use with optical test apparatus and measuring cells; chemical reagents in tablet or capsule form; all of the aforementioned chemical reagents for non-medical and non-veterinary purposes

Measuring instruments, namely, water testing instrumentation for monitoring and detecting contamination, inorganic and organic components and physical and electrochemical parameters in the nature of ion concentration, salinity, conductivity, turbidity, dissolved oxygen, water hardness, water density, corrosion potential, redox potential, pH, temperature, total dissolved solids and flocculation; apparatus for scientific research and laboratories, namely, spectrometers and photometers; Scientific apparatus and instruments for examining water, air and soil samples, 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; Colorimetric and electrochemical measuring apparatus for examining water, air and soil samples, namely, color comparators, colorimeters and color measurement apparatus in the nature of colorimeters, cameras and image processing software sold as a unit, color reference and color standard test apparatus in the nature of visual and automatic colorimeters, color grading instruments in the nature of comparators for identifying a sample by a specified color grade, color test cells in the form of transparencies, films, exposed photographic slides, and exposed photographic discs for testing using spectrophotometry, photometry and fluorescence; Laboratory apparatus for comparing colors of liquids, solids and light sources with standardised color values, namely, color comparators for testing the color of beers, malts and caramels, edible oils and fats, foods and beverages, household products, medical and clinical products, petroleum oils and waxes, sugar solutions, syrups and honey, pharmaceuticals and cosmetics, textiles, coatings, industrial process fluids, plastics, chemicals, swimming pool water, process water and waste water; colorimeters and comparators; Color standards in the form of colored slides, sheets, foils and film for use as color reference standards and being structural parts of the aforementioned apparatus; measuring cells being structural parts of colorimeters and comparators; computer programs and software for performing optical tests, color tests, colorimetry, color comparators, spectrophotometry, photometry, water testing and water conditioning; Structural parts for the aforesaid goods, included in this class