. American journal of pharmacy. ^--^ ---^ -i--<^. Apparatus for the Estimation ofCarbon Dioxide in Carbonates. Air-drying Flask. carbonate ; after effervescence ceases, allow more acid to run in, etc.,until finally all the acid has been added. The carbon dioxide anddisplaced air passing through the sulphuric acid in the calciumchloride tubes are thoroughly dried, so that no loss due to moistureis to be feared. Remove plug b and connect with b of drying flask containingabout I inch laj^er of sulphuric acid ; in the same way connect a ofthe apparatus and a of a second drying flask; now apply
. American journal of pharmacy. ^--^ ---^ -i--<^. Apparatus for the Estimation ofCarbon Dioxide in Carbonates. Air-drying Flask. carbonate ; after effervescence ceases, allow more acid to run in, etc.,until finally all the acid has been added. The carbon dioxide anddisplaced air passing through the sulphuric acid in the calciumchloride tubes are thoroughly dried, so that no loss due to moistureis to be feared. Remove plug b and connect with b of drying flask containingabout I inch laj^er of sulphuric acid ; in the same way connect a ofthe apparatus and a of a second drying flask; now apply suction bymouth at b end of this last drying flask and thoroughly remove allCO., from the apparatus (instead of direct suction, as just stated, itis much more convenient to attach an aspirator made from a 5-pintbottle and allow the outflowing water to slowly draw air throughto the apparatus); disconnect the apparatus, replace plugs, wipe and 26o Pharmacy of Liquid Petrolatum. {^i?i9o3*° weigh. Connect and repeat the latter operations until constan
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Keywords: ., bookcentury1800, bookdecade182, booksubjectpharmacy, bookyear1829
