Device to illustrate the dependence of the rate of reactions himimicheskih conditionsDesigned for demonstration and laboratory experiments illustrating the dependence of the rate of chemical reactions on external factors - temperature, concentration of reagents, pressure, presence of catalyst, etc.May include reagent containers, replaceable heating elements, thermometers, stirrers, timers or other auxiliary means for measuring reaction time.2 Landolt vessels, dia 20mm with rubber stoppers1 Stand, L 160* H 220mm
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