chromic sulphuric acid mixture

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Laboratory glassware — Three beakers, a conical flask, a graduated cylinder and a volumetric flask … Wikipedia
Chromyl chloride — Chromyl chloride … Wikipedia
Bunsen cell — Bun sen cell (Elec.) A zinc carbon cell in which the zinc (amalgamated) is surrounded by dilute sulphuric acid, and the carbon by nitric acid or a chromic acid mixture, the two plates being separated by a porous cup. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English

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