Society of Glass Technology · [Sheffield] · leaf 107
librated by emptying, and not by filling into them a definitevolume which it is assumed they will deliver. Ordinarily, burettes are used for delivering liquids which wetthe sides of the tubes, and on running out leave a film on the walls.They should therefore be calibrated in such a way as to leave… … [To face /i. 35. APPARATUS FOR ACCURATE CALIBRATION OF BURETTE TUBES. 35 • (2) In the case of apparatus used for the delivery of liquids, thecalibration should be done by using a liquid of the same type asthose for which the apparatus is ordinarily employed, the time ofemptying and the drainage…
Glass
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