Important: Safety Warning
This page directs the use of hazardous substances — such as benzine, gasoline, lye, or strong acids — for household tasks. These materials are highly flammable, corrosive, or poisonous, and the practices described have caused fires, burns, and poisonings.
This information has been left in for historical purposes but should not be acted upon.
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Cheap Washing Soap
60 pounds employed by soap-makers and dyers were cocoanut oil with 40 pounds of either tallow absolutely pure; but as this is seldom, if or palm oil, treated cold with 135 pounds ever, the case, the impurities which exist in caustic soda lye of 27° Baumé, and 50 pounds the lyes under examination, influence the salt water of 15° Baumé, will produce 278 specific weight of the lye, and due allowance pounds washing soap. must be made for this; thus, an indication by the hydrometer of 20 per cent. does not prove that the lye contains 20 per cent. of pure caustic alkali, but includes the foreign matter.
Still, this method of testing will give comparative strengths exactly. oft Soaps. These differ from the hard soaps in having potash in place of soda as their alkaline base. They are all