. Journal. his case, ofcourse, simply serves as a kind of receiver. Finallythe gas is syphoned back into the burette andmeasured—two-thirds of the contraction correspondto the amount of 11 originally present in the mixtureof gas and air. The CM , is not attacked by sulphuricacid (ordinary 30 per cent, SOa Nordhausen acidanswers well enough). The acid is contained in anordinary absorption pipette (Fig. 10), the small bulb cof which is filled with pieces of broken glass or glasswool, so as to offer a 1 trger absorbing surface to the absorption is complete in a few minutes, but theremaini
. Journal. his case, ofcourse, simply serves as a kind of receiver. Finallythe gas is syphoned back into the burette andmeasured—two-thirds of the contraction correspondto the amount of 11 originally present in the mixtureof gas and air. The CM , is not attacked by sulphuricacid (ordinary 30 per cent, SOa Nordhausen acidanswers well enough). The acid is contained in anordinary absorption pipette (Fig. 10), the small bulb cof which is filled with pieces of broken glass or glasswool, so as to offer a 1 trger absorbing surface to the absorption is complete in a few minutes, but theremaining gas previous to measuring .should be passedinto the K11 pipette and back again, so as to free itfrom fumes of S(),. Residual gas : CO, CH4, H, carbonic oxide is next absorbed by means of anammoniacal solution of cuprous chloride in a com-pound absorption pipette. The gas has to be shakenwith the absorbent for about three minutes. It mustbe borne in mind that , solution also absorbs.
Size: 1204px × 2075px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
