A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 507
quantity of it, in a test-tube, a dropor two of a solution of sulphate of copper, and its ownbulk of solution of caustic potassa. A blue liquid re-sults, which, on being heated, deposits a green precipi-tate, turning red on prolonging the heating, because ofthe formation of suboxide of copper.… … This consists of a glass bulb, prolonged above and be-low into a tube. The lower tube carries a smaller bulb,partly filled with mercury, which is intended to act asballast. The upper tube contains a scale divided from1000 to 1060, the latter figure being nearest the bulbthat is lowest. On putting…
Chemistry · Physics
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