rubber policeman

rubber policeman
a flexible rubber scraper attached to a glass rod, used in chemistry laboratories for amalgamating and transferring solid residues in gravimetric analysis.

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  • Rubber policeman — A rubber policeman is a hand held flexible natural rubber scraper attached to a glass rod used in chemical laboratories to transfer residues of precipitate or solid on glass surfaces when performing gravimetric analysis. Rubber policemen also… …   Wikipedia

  • rubber policeman — See policeman …   Medical dictionary

  • policeman — noun a) A member of a police force, especially one who is male. b) A glass rod capped at one end with rubber, used in a chemistry laboratory for gravimetric analysis …   Wiktionary

  • policeman — An instrument, usually a rubber tipped rod, for removing solid particles from a container, particularly the walls of that container. * * * po·lice·man pə lēs mən n, pl men mən an instrument (as a flat piece of rubber on a glass rod) for removing… …   Medical dictionary

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