特殊技能:Requires three years of experience with quantitative analytic chemistry techniques used in consumergrade cosmetic materials Liebig condenser, titrimetric determinations, and spectroscopy, pH meters, samplings, bacteria tests, and other measuring devices typically used in cosmetics, UVVIS, and particle size distribution meter. Requires one year of experience with testing pharmaceutical materials, FTIR, viscometer, TOC analyzer, and potentiometric titrator. Any suitable combination of education, training, or experience is acceptable.