dry distillation

Flammable gases start being evolved in a process similar to dry distillation.

It was obtained by the dry distillation of nitrogenous organic matter such as hair, horn, leather.

Animal charcoal or bone black is the carbonaceous residue obtained by the dry distillation of bones.

Allyl isothiocyanate can also be liberated by dry distillation of the seeds.

The materials are then subjected in a second stage to what is called "dry distillation", which produces "oils and ketones".

Historically hydroquinone was obtained from the dry distillation of quinic acid.

The ammonium salt yields on dry distillation carbon dioxide, ammonia, pyrrol and other substances.

Distilled products, whether through steam or dry distillation are known either as essential oils or ottos.

In a chemistry laboratory, a retort is a glassware device used for distillation or dry distillation of substances.

Dry distillation is the heating of solid materials to produce gaseous products (which may condense into liquids or solids).

These specialized uses of pyrolysis may be called various names, such as dry distillation, destructive distillation, or cracking.

Retort - A spherical vessel with a long downward-pointing neck, specially used for distillation or dry distillation of substances.

For this reason, benzoic acid for human consumption was obtained by dry distillation of gum benzoin.

Previously, acetone was produced by the dry distillation of acetates, for example calcium acetate in ketonic decarboxylation.

More commonly, powdered elemental tellurium is irradiated and then I-131 separated from it by dry distillation of the iodine, which has a far higher vapor pressure.

Birch tar or birch pitch is a substance (liquid when heated) derived from the dry distillation of the bark of the birch tree.

In the Renaissance, glacial acetic acid was prepared through the dry distillation of certain metal acetates (the most noticeable one being copper(II) acetate).

Thianthrene was first synthesized by John Stenhouse by dry distillation of benzenesulfonic acid sodium salt.

When the seep became exhausted, he experimented with the dry distillation of coal, especially the resinous "boghead coal" (torbanite).

Baltic amber yields on dry distillation succinic acid, the proportion varying from about 3% to 8%, and being greatest in the pale opaque or bony varieties.

Pine tar is a sticky material produced by the high temperature carbonization of pine wood in anoxic conditions (dry distillation or destructive distillation).

It is decomposed, on dry distillation, into carbon dioxide and pyromellitic acid, CHO; when distilled with lime it gives carbon dioxide and benzene.

The salt of hartshorn actually refers to two distinct substances, sal ammoniac (ammonium chloride), and ammonium carbonate, which have been obtained from oil of hartshorn by dry distillation.

The dry distillation of calcium acetate to acetone was reported by Charles Friedel in 1858 and until World War I ketonization was the premier commercial method for its production.

This suggests that aspergillic acid is a hydroxamic acid derivative, which is also confirmed by the formation of deoxyaspergillic acid by dry distillation with copper chromite catalyst.