Tar is a dry distillation product of organic matter, obtained after heating it, without the presence of oxygen. Though valuable for psoriasis, with the availability of newer and better drugs, coal tar is rarely used these days. Despite this, the significance of coal tar cannot be undermined.

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Tar

  • Aditya Kumar Bubna

摘要

Tar is a dry distillation product of organic matter, obtained after heating it, without the presence of oxygen. Though valuable for psoriasis, with the availability of newer and better drugs, coal tar is rarely used these days. Despite this, the significance of coal tar cannot be undermined.