7 MECHANICAL, SEMIAUTOMATIC AND AUTOMATIC APPARATUS, NAMELY, SYNTHESIZERS, SOLID PHASE SYNTHESIZERS, SIMULTANEOUS MULTIPLE SYNTHESIZERS, COMBINATORIAL SYNTHESIZERS AND REACTORS, REACTION CHAMBERS, PARALLEL REACTORS AND REACTION BLOCKS WITH MULTIPLE REACTION CHAMBERS, FOR THE ANALYSIS, SYNTHESIS, WORK-UP AND PURIFICATION OF LIQUID, GASEOUS AND SOLID MATERIALS; INSTRUMENTS, NAMELY, REAGENT RACKS, WORK STATIONS, SHAKERS, SYRINGES, VALVES AND SLIDE VALVES FOR THE ANALYSIS, SYNTHESIS, WORK-UP AND PURIFICATION OF LIQUID, GASEOUS AND SOLID MATERIALS FOR CHEMICAL, BIOLOGICAL AND PHYSICAL RESEARCH, DEVELOPMENT AND MANUFACTURE