Sulphuric acid is added to the nitric solution as long as a white precipitate falls; after a time the precipitate is collected on a filter, washed with a mixture of water and alcohol, and ignited in a porcelain crucible.
Heat oxide of silver to dull redness in a porcelain crucible, cool, triturate the powder in an agate mortar, and pass it through a fine sieve.
It is now obtained by fusing pure chloride of lithium in a small, thick, porcelain crucible, and decomposing it while in a fused state by a current of electricity.
Heat a platinum or porcelain crucible, cool it in a desiccator and weigh, repeating until a constant weight is obtained.
If a porcelain crucible is employed for ignition, this conversion to sulphate is to be preferred, as a complete conversion to oxide is difficult to accomplish.
Place in a porcelain crucible about 6 grams (roughly weighed) of the purest sodium bicarbonate obtainable.
Transfer the filter and contents to a porcelain crucible, dry carefully over a low flame, and ignite to constant weight.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "porcelain crucible" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
