Housemark for chemicals used in industry, science and research laboratories, namely, chemical reagents for scientific, research and industrial use; chemicals for analytic and diagnostic purposes for scientific and research use; chemicals for use in microbiology, microscopy and chromatography; chemicals for use in the electronic and electronic components industry, in the optical industry, in the fibre optics industry, in the cosmetic industry, in the pharmaceutical industry, in the food industry, in the drinking and waste water industry, in the photographic industry, in the pulp and paper industry, in the petrochemical industry, in the solar cell industry; electrolytes for the battery industry; test kits for water analysis, comprised of chemicals, a comparator block, reagent tubes, test tube cuvettes and fittings, and color cards for use in agriculture and aquaculture; chemicals for use in environmental and contract analysis, chemicals, namely, inorganic compounds and solutions for use in the manufacture of cleaning and disinfectant solutions and dip sticks for the disinfectant control for use in medical technology, chemicals for use in the steel and cement industry; chemicals, namely, additives for use as cleansing, deodorizing and refreshing ingredients in the manufacture of mouth sprays, dental cements and medicines for dental purposes; chemicals for use in the mining industry, in the plastics industry, in pathology, in the solder industry; reagent test kits for environmental analysis comprised primarily of chemical reagents for scientific or research use; convenient test formats for unskilled users and industrial use, namely, test paper, test strips, wet chemistry kits containing chemicals, photometric kits containing chemicals, chemicals in tablet form, granulated chemicals, chemicals prefilled in ampoules, and immunological assays, all for use to test the environment, water, food and beverage; biochemical, biological, chemical, immunochemical and immunological compositions, namely, chemical reagents for scientific or research use