The older processes for the commercial preparation of this salt, which were based on the ignition of nitrogenous substances with an alkaline carbonate and carbon, have almost all been abandoned, since it is more profitable to prepare the salt from the byproducts obtained in the manufacture of illuminating gas. [Please select]
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Byproducts of the slaughterhouses for tanneries, soap, margarine. [Please select]
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The byproducts of his toil were enough to have enriched many lesser men, and they have given Thoreau a secure fame. [Please select]
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This report informed Bissell that the substance, could be refined cheaply and easily, and that, when refined, it made a splendid illuminant, besides yielding certain byproducts, such as paraffin and naphtha, which had a great commercial value. [Please select]
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They established chemical research laboratories which devised new and inexpensive methods for refining the product and developed invaluable byproducts, such as paraffin, naphtha, vaseline, and lubricating oils. [Please select]
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The desperadoes whom the deserters joined have been described by Professor Dodd as the "neglected byproducts" of the old regime. [Please select]
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