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Substance , No common statement on the nature of substance is acceptable to all philosophers, the more famous of whom range from a full treatment of its nature t… Toxicity , Toxicity
toxicity •banditti, bitty, chitty, city, committee, ditty, gritty, intercity, kitty, nitty-gritty, Pitti, pity, pretty, shitty, slitty, smri… Radioactive Tracer , radioactive tracer A radioactive isotope, whose movement can be monitored, that is used to trace the pathways by which individual substances move thr… Queen Substance , queen substance Polarimeter , po·lar·im·e·ter / ˌpōləˈrimitər/ • n. an instrument for measuring the polarization of light, and esp. (in chemical analysis) for determining the effe… Claude Louis Comte Berthollet , Berthollet, Claude Louis
Berthollet, Claude Louis
(b. Talloire, near Annecy, Savoy, 9 December 1748; d. Arcueil, France, 6 November 1822), chemistry…
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fluorometer