The cover of the desiccator should be made air-tight by the use of a thin coating of vaseline.
The crucible is then cooled in a desiccator and weighed, after which the heating (without the addition of acids) is repeated, and it is again weighed.
If this precaution is not taken, the air within the desiccator is strongly heated and expands before the desiccator is covered.
The air in the desiccator (see above) is kept at a constant and low humidity by the drying agent which it contains.
Heat a platinum or porcelain crucible, cool it in a desiccator and weigh, repeating until a constant weight is obtained.
The electrodes are then cooled in a desiccator and weighed.
Ten minutes later connect up the desiccator to a sulphuric acid wash-bottle interposing an air filter so that only dry sterile air enters.
Reseal the desiccator and again exhaust, and subsequently admit dry sterile air as before.
When dried rapidly in vacuo or in a desiccator over calcium chloride, it concretes in cracked translucent lamellæ like albumin or gum arabic, and thus assumes a crystalloid aspect.
When the venom has been collected, it must immediately be in a desiccator over calcium chloride or sulphuric acid, in order to dry it rapidly.
The distillate is evaporated in the crucible ignited over the blowpipe, cooled in the desiccator for ten minutes and weighed.
It is best, in an office, to have a large desiccator permanently fixed alongside the balance, into which all substances may be put before being weighed.
It is next placed in the muffle, and, after two or three minutes at a red heat, it is removed and allowed to cool in the desiccator before weighing.
Both in this and in the corresponding phosphide determination care must be taken to avoid absorption of moisture, by allowing the oxides to cool in a desiccator and weighing quickly.
It is then cooled in the desiccator for ten minutes, and weighed.
On taking the glasses out of the oven, they should be at once closed, the clip put on, and after cooling in a desiccator weighed.
The water is removed from the crucible, first by the help of filter paper, and then by exposing in a desiccator over sulphuric acid, where it should be left until its weight remains constant.
Instead of under a glass bell jar, drying over sulphuric acid is often carried on in a desiccator consisting of a shallow wide-mouthed glass vessel, closed by a well-fitting ground-glass cover.
Hempel, in his desiccator (1891), avoids this by placing the absorbent above the substance to be dried.
A lateral glass tube with a stop-cock is often fused into the desiccator in order to connect it with an air pump, and so allow drying under a diminished pressure, when the moisture evaporates more rapidly.
The ester solution was then put in a vacuum desiccator over sulphuric acid and the alcohol evaporated.
They were kept a day or two in a desiccator over sulphuric acid, but did not become completely dry.
The residue was a tar which, on standing in a desiccator for some time, became dry enough to break into sticky lumps.
The combined ether extracts were evaporated in a desiccatorwithout heat.
The ether, on evaporation, left the ester which was crystallized from water and dried in a desiccator over sulphuric acid.
A detached portion of this layer of patina, dried in a desiccator over concentrated sulphuric acid with a loss in weight of 9.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "desiccator" in a variety of sentences. We hope that you will now be able to make sentences using this word.
