The Insoluble Matter of Coal tar. I. Introduction

The inorganic constituents of coals are bricfly reviewed and their subsequent history during combustion and carbonization is considered. The cxamination is reported of the zinc‐pyridine complex obtained from a free carbon sample by extraction with water. Examination for other elements is described and the presence of lead, iron, cobalt, manganese and others indicated. The form in which these elements are present is discussed.

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The Insoluble Matter of Coal tar. I. Introduction

Abstract: The nature and constitution of coal tar depend in varying degrees upon the coal and upon conditions of carbonization,

Cited by 6 publications

References 7 publications

The insoluble matter of coal tar. VII. Dilution of tars

The insoluble matter of coal tar. VII. Dilution of tars

The Insoluble matter of coal tar. II. Preliminary work on free carbon

The insoluble matter of coal tar III. Some inorganic constitutents of free carbon

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