Aeration and aerating chemicals; Agricultural chemicals, except fungicides, herbicides, insecticides and parasiticides; Aquaculture chemicals, except fungicides, herbicides, insecticides and parasiticides; Binding chemicals for concrete; Buffers (Chemicals); Chemicals for off-set presses; Chemicals for the control of environmental pollution; Chemicals for the purification of water; Chemicals for the surface treatment of metals; Chemicals for treating water; Chemicals for use in aquariums (other than pharmaceuticals); Chemicals for use in brewing; Chemicals for use in clarifying water; Chemicals for use in cleaning water; Chemicals for use in clearing water; Chemicals for use in coating agricultural seeds (other than fungicides, herbicides, insecticides, parasiticides); Chemicals for use in fire extinguishing; Chemicals for use in fish farming (other than pharmaceuticals); Chemicals for use in fish tanks (other than pharmaceuticals); Chemicals for use in forestry, except fungicides, herbicides, insecticides and parasiticides; Chemicals for use in horticulture (other than fungicides, weedkillers, herbicides, insecticides, parasiticides); Chemicals for use in industry; Chemicals for use in manufacture; Chemicals for use in manufacturing pharmaceuticals; Chemicals for use in metal treatment; Chemicals for use in polymerisations; Chemicals for use in printing; Chemicals for use in removing coatings; Chemicals for use in science (other than for medical or veterinary use); Chemicals for use in scientific analysis (other than for medical or veterinary use); Chemicals for use in scientific research (other than for medical or veterinary use); Chemicals for use in swimming pools (other than disinfectants); Chemicals for use in the aeronautical industry; Chemicals for use in the automotive industry; Chemicals for use in the drilling of wells; Chemicals for use in the gas industry; Chemicals for use in the hide tanning industry; Chemicals for use in the oil industry; Chemicals for use in the paper industry; Chemicals for use in the petrochemicals industry; Chemicals for use in the pharmaceutical industry; Chemicals for use in the printing of newspapers; Chemicals for use in the printing of printed materials; Chemicals for use in the purification of water; Chemicals for use in the refining of liquid hydrocarbons; Chemicals for use in the treatment of liquid hydrocarbons; Chemicals for use in the treatment of waste water; Chemicals for use in the treatment of water; Chemicals for use in treating hides; Chemicals for use in treating metal surfaces; Chemicals used in agriculture; Chemicals used in industry; Chemicals used in science; Coating agents (chemicals), other than paint; Coating compositions (chemicals), other than paint; Combustion enhancers (chemicals); Concrete-aeration chemicals; Fine chemicals; Fire extinguishing chemicals; Fluids for drilling (chemicals); Fluids for rock drilling (chemicals); Fume suppressants (chemicals); Horticultural chemicals, except fungicides, herbicides, insecticides and parasiticides; Industrial chemicals; Industrial inorganic chemicals; Industrial organic chemicals; Ion exchangers (chemicals); Laboratory chemicals for scientific use; Misting and fogging preventing chemicals for use on glass; Oil-separating chemicals; Printing chemicals; Purification chemicals; Raw chemicals; Sewerage water treatment chemicals; Smoke suppressant chemicals; Soil enrichment chemicals; Surface coating compositions (chemicals), other than paints; Waste treatment chemicals; Water purifying chemicals; Water testing chemicals; Water-purifying chemicals