Naphthalene from the Kukker shales of the Finnish coast

Abstract

The initial material was combustible shale collected during prospecting work by N. F. Pogrebov. After the distillation of illuminating gas, a tar remains, which served as the material for this study. During the distillation of this material in a water bath, crystalline, very thin plates of the distilled organic substance deposit in the tube, with inclusions of another substance having a significantly higher refraction and apparently capable of very good crystallization. This distillation was carried out by Mr. Valchis.

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