Areca-nut charcoal is preferred as a dentifrice; but the willow charcoal or box-wood charcoal is usually substituted for it by shopkeepers.
Pine-wood charcoal is preferred for this purpose; and the sides, not the ends of the fibres, are presented to the flame.
Wood charcoal is obtained in so-called stacks by partially burning the wood, or by means of dry distillation (Note 1) without the access of air.
One of the most economical ovens for making wood charcoal is that invented by M.
And this process would supersede in every iron work the use of wood charcoal, were not the iron produced by the latter combustible, better for many purposes, particularly the manufacture of steel.
In some English smelting works, indeed, where sheet iron is prepared for making tin plate, a mixed refining process is employed, where the cast iron is made into bar iron by wood charcoal, and laminated by the aid of a coal fire.
It decrepitates before the blowpipe, but when fused with some borax in a small hollow on a piece of wood charcoal, gives a globule of copper.
Before the blowpipe on a piece of wood charcoal it gives off fumes of sulphur, fuses, boils, and finally leaves a globule of copper.
Vertical Section] The filter consists of wood charcoal in the lower half and bone black above firmly held between two perforated plates, as shown.
Peat-charcoal is as much better than peat, for use where intense heat is required, as wood charcoal is better than wood.
At Pillersee, in Austria, spathic iron ore has been reduced by a mixture of fir-wood charcoal, and air-dry peat in the proportions of three parts by bulk of the former to one of the latter.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "wood charcoal" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.