Chemical products for industrial, scientific, photographic, agricultural, horticultural and forestry use; unprocessed synthetic resins, unprocessed plastic materials; biological agents for industrial and scientific use; chemical products and chemical compositions for analyzing water quality in laboratories and on-site; chemicals and chemical compositions and reagents for analyzing liquids; chemical reagents, in particular chemical test strips for determing the chemical components and parameters of swimming pool and bathing water, chemical products for industrial water treatment; chemical reagents, that is to say acid solutions added to a sample liquid containing fluoride and used for the calibration of distillation apparatus; chemical reagent test kits not intended for medical use for testing and analyzing water and other aqueous solutions; pre-mixed and pre-calibrated chemical reagent solution ampoules for testing laboratories; chemical reagents in vacuum vials for the chemical analysis of liquids such as water or solvents; chemical test strips for chemical analysis for testing different chemical analyses and parameters of the soil; chemical reagents for analytical determination of water hardness; chemical reagents for non-medical analytical determination of the quantity of aluminium, barium, boron, cadmium, chromates, cyanide, hydrazine, iron, lead, lignin, molybdenum, nitrates, nitrites, phosphates, sulphide, tannin and zinc in a liquid sample; chemical test strips for testing refrigerants; chemical test kits for testing the quality of water used in the production of pharmaceuticals; standard solutions for use in analytical chemistry to standardize turbidity instruments.

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signaling, detecting, testing, checking, life-saving and teaching apparatus and instruments; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for sound, image or data recording, transmission, reproduction or processing; measuring apparatus and instruments, apparatus and instruments for laboratories, apparatus and instruments for measuring electricity, scientific apparatus and instruments; optical apparatus and instruments; instruments for measuring water cleanliness; measuring instruments for checking water cleanliness; water analysis instruments; chemical and biological liquid analysis instruments; analysis, measuring, dosing and checking apparatus and instruments, in particular for water, ultrapure water, aqueous solutions and water vapor, in particular for the analysis and treatment of drinking and industrial water, water for industry, water for the pharmaceutical industry; analysis, measuring, dosing and monitoring apparatus and instruments, in particular for air, gaseous effluents and gases, for example for immissions and emission measurements in the automotive industry and industrial processes; automated analysis machines; electric and electronic control and dosing apparatus for liquid and gaseous substances, granules and additives; sensors, electrodes, pH meters, photometers, spectrometers, chromatographs, temperature measuring apparatus; conductivity meters, in particular inductive and toroidal conductivity sensors; oxygen sensors, in particular for measuring dissolved oxygen in water; transmitters; analyzers for determining the phosphate, nitrate, fluoride, chlorine dioxide, ozone, cyanuric acid, dissolved oxygen and free chlorine content in water; turbidimeters; nephelometers.

Industrial analysis, industrial research and industrial designer services; services of quality control; scientific and industrial research concerning chemical products and apparatus for commercial and laboratory use, in particular for monitoring and analyzing the quality of water and other aqueous solutions; providing scientific information on in-house chemical analysis of chemical components and water parameters.