19. Which of the following statements concerning the operation of laboratory glassware in analytical experiments is INCORRECT?
(A) An effective desiccant maintains a low humidity environment inside the desiccator.
(B) The volume of an Eppendorf pipet is set before aspirating the liquid.
(C) In water, the bottom of the meniscus should be read at eye level.
(D) Volumetric glassware is calibrated at a specific temperature.
(E) A buret should be rinsed only with distilled water before titration.