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Glossary of terms

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Frankincense is a resin obtained from various trees of the family of the Styracks (native to West India, Indochina).

Lazur Berlin - Blue pigment of the composition Fe4 [Fe (CN) 6] 3.

Asphalt varnish - Varnish based on bitumen components and vegetable oils.

Lac kopalovy - Varnish, obtained from a digger. - fossil natural resin.

Lacquer mastic - Varnish, made from mastic.

Litmus - A coloring matter extracted from some lichens. An aqueous solution is an indicator (in an acidic environment - red, in an alkaline - blue).

Lanolin - Yellow ointment mass. A complex mixture of organic compounds.

Ligroin - Liquid mixture of hydrocarbons, obtained by distilling oil with a boiling point of 120-235 ° C.

Lizoform - Soap solution of formaldehyde, it is used as if an antiseptic.

Lapis - See silver nitrate.