| slovo | definícia |
Naphthalene red
(gcide) | Naphthalene \Naph"tha*lene\, n. (Chem.)
A white crystalline aromatic hydrocarbon, C10H8, analogous
to benzene, and obtained by the distillation of certain
bituminous materials, such as the heavy oil of coal tar. It
is the type and basis of a large number of derivatives among
organic compounds. Formerly called also naphthaline.
[1913 Webster]
Naphthalene red (Chem.), a dyestuff obtained from certain
diazo derivatives of naphthylamine, and called also
magdala red.
Naphthalene yellow (Chem.), a yellow dyestuff obtained from
certain nitro derivatives of naphthol.
[1913 Webster] |
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