It is used to determine the amount of carbon residue when an oil is evaporated under specified conditions. The carbon residue values of crude oil, residue etc. are useful in the manufacture of various lubricants. The apparatus consists of spun sheet iron crucible of 25cc capacity, sheet iron hood and sheet iron block on a stand with triangular wire and gas burner. Available in single test and four test models.
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Sadar Bazar, Delhi