If a precipitate should have been formed, filter it out, and wash the filter paper well with distilled water.
The funnel holding the filter paper is also sealed into the cork.
The filter paper containing the sulphide (and, probably, much sulphur) is dried and burnt.
The carbonate remaining on the filter paper is dissolved in water and titrated as carbonate.
Strain the mixture through butter muslin and filter through Swedish filter paper into a graduated cylinder.
Storp found that when clover seeds were germinated in the dark on filter paper moistened with water containing 025 gm.
The iron particles left upon the filter paper will be found to be identical with the original iron.
If turmeric is present, a cherry-red color will appear when the filter paper is dry.
Blot off the superfluous water with the filter paper, or dry more completely between two folds of blotting paper.
This is carefully weighed out in the scales, a piece of filter paper being placed in each pan.