flocculent precipitate

American  

noun

Chemistry.

1. a woolly-looking precipitate, as aluminum hydroxide formed by the addition of ammonia to an aluminum-salt solution.

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Etymology

Origin of flocculent precipitate

First recorded in 1790–1800

Example Sentences

See Examples For:

flocculent precipitate

The small quantity of white flocculent precipitate which may be observed in the acetic acid solution before titrating, contains the whole of the iron as ferric arsenate.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius

The aqueous solution of the condensation product shows no particular reactions; it gives a flocculent precipitate with gelatine and a green precipitate with copper sulphate, soluble with blue colour in excess of the reagent.

From Synthetic Tannins by Grasser, Georg

It dissolves readily in water and the aqueous solution decomposes on standing; a dark-brown flocculent precipitate of azulmic acid, C4H5N5O, separating whilst ammonium oxalate, urea and hydrocyanic acid are found in the solution.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various

He also obtained a flocculent precipitate which later became granular and showed under the microscope forms like the starfish, and discs with undulated borders.

From The Mechanism of Life by Leduc, Stéphane

This is very quickly accomplished, and we then see that we have an insoluble residue of graphite and a flocculent precipitate of lime, magnesia, iron hydrate, etc., while the organic matters have disappeared.

From Scientific American Supplement, No. 483, April 4, 1885 by Various