The supernatant part is then to be poured off into a similar vessel.
The supernatant liquor is the mordant; it has a density of 11° or 111⁄2° Baumé.
A little of the supernatant ether is now removed to a small glass capsule or watch-glass, and allowed to evaporate spontaneously.
It should then be separated by means of a glass funnel from the supernatant liquid, and again washed; this time with simple water.
The mass is then boiled, when the supernatant oil is removed by skimming.
You see here I can pour off the supernatant liquid clear, leaving our silver and gelatine as a clot at the bottom of the vessel.
Pour off the supernatant liquid, wash the precipitate with sugared water, express, mix it with 10 oz.
Plumbic acetate gives a purplish-red precipitate, mercuric cyanide a blue one, the supernatant liquid being also blue.
The supernatant ether, however, was slightly turbid in appearance, a fact which was at first ignored.
On allowing them to stand, perfect subsidence took place, leaving the supernatant water colorless and brilliant.
1660s, from Latin supernatantem (nominative supernatans), present participle of supernatare "to swim above," from super (see super-) + natare "to swim," frequentative of nare "to swim" (see natatorium).
