colophony Meaning in Tamil ( colophony வார்த்தையின் தமிழ் அர்த்தம்)
கொலோபோனி
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colophony's Usage Examples:
colophony fumes from soldering cause a significant number of cases of occupational asthma.
They are largely used in the arts, being separated by distillation into rosin or colophony (see RosiN), and oil or spirit of turpentine.
Examples of resin acids are abietic (sylvic) acid, C19H2802, occurring in colophony, and pimaric acid, C20H3002, a constituent of gallipo resin.
"colophony fumes from soldering cause a significant number of cases of occupational asthma.
amber suffers decomposition, yielding an "oil of amber," and leaving a black residue which is known as "amber colophony," or "amber pitch"; this forms, when dissolved in oil of turpentine or in linseed oil, "amber varnish" or "amber lac.
Abietic acid can be extracted from colophony by means of hot alcohol; it crystallizes in leaflets, and on oxidation yields trimellitic, isophthalic and terebic acid.