filter paper

noun

filter paper

First recorded in 1890–95

Sixty- eight air-sampler stations equipped with millipore filter paper were spread over seventy square miles.

At once cover the mouth of the tube with a filter-paper cap moistened with saturated aqueous solution of silver nitrate (1:1).

Turmeric paper may be prepared by dipping pieces of smooth, thin filter paper in a solution of powdered turmeric in alcohol.

If turmeric is present, a cherry-red color will appear when the filter paper is dry.

Cover the tube with three thicknesses of filter paper, fitted tightly over the mouth of the tube.

To find out whether they are present or not, substitute lead acetate for the silver nitrate on the filter paper.

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