colophony

Powder 100gms of rosin (colophony) and heat in a small pan.

Needless to add, the Chinese were adept at imitating amber using such materials as copal, shellac and colophony.

John's account for the event lists his ingredients, including, colophony, orpiment, quicksilver, arrows and dozens of small pottery vessels.

Copal, mastic, quaiacum, and colophony or pine resin, are some of them.

It should not be confused with Colophon, an ancient city in Asia Minor, after which "colophony", or rosin (ronnel) is named.

A few hundred different agents have been implicated with the most common being: isocyanates, grain and wood dust, colophony, soldering flux, latex, animals, and aldehydes.

The term "colophony" comes from colophonia resina or "resin from the pine trees of Colophon," an ancient Ionic city.

Sandarac is available from pigment suppliers, who will also supply crushed colophony rosin, which is cheaper than sandarac and can also be used for roughening parchment.

When the bow is new, or when it has just been re-haired, it will not make any sound until the hairs have been well rubbed with rosin (also called "colophony").

The term "colophony" for rosin comes from the term colophonia resina, that is, resin from the pine trees of Colophon, which was highly valued for the strings of musical instruments.

Prolonged exposure to rosin fumes released during soldering can cause occupational asthma (formerly called colophony disease in this context) in sensitive individuals, although it is not known which component of the fumes causes the problem.

Rosin, also called colophony or Greek pitch (Pix græca), is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components.

Some liquid-chalk mixtures for climbing are made with magnesium carbonate, colophony and ethanol or some other alcohol which dissolves colophony and evaporates fast enough from the solution (as isopropyl alcohol or methanol).

Heated above 200 C, amber suffers decomposition, yielding an "oil of amber", and leaving a black residue which is known as "amber colophony", or "amber pitch"; when dissolved in oil of turpentine or in linseed oil this forms "amber varnish" or "amber lac".