...heated for 1 hour at the temFIG. sa. perature of boiling water. The flasks should then be placed on a tray by the side of the balance, and covered with...must not be wiped with a silk handkerchief within 15 or 20 minutes of the time they are weighed. The weight of the flask having been accurately determined,...

...ether, wiped perfectly dry on the outside, and heated for one hour to 100 C. The flasks should then he placed in a tray by the side of the balance and covered with a silk handkerchief uutil they are perfectly cool. They must not be wiped with a silk handkerchief within fifteen or twenty...

...the filtered fat, in a fused state, not be perfectly clear, it must be filtered a second time. • The saponification flasks are prepared by thoroughly...wiping perfectly dry on the outside, and heating for i hour at the temperature of boiling water. The flasks should then be placed in a tray by the side...

...Should the filtered fat, in a fused state, not be perfectly clear, it must be filtered a second time. The saponification flasks are prepared by thoroughly...wiping perfectly dry on the outside, and heating for i hour at the temperature of boiling water. The flasks should then be placed in a tray by the side...

...with sulfuric acid for the determination of nitrogen are well suited for this work. The flasks should be placed in a tray by the side of the balance and covered with a cloth until they are perfectly cool. They must not be wiped with a silk handkerchief within 15 or 20...