If concentrated sulfuric acid be added to a solution of a protein to which some acetic acid (or better, glyoxylic acid) has previously been added, a violet color is produced.
Defn: A species of mica, of a lilac or rose-violet color, containing lithia.
If nitric acid gives first a scarlet, then a yellow color, sulphuric acid a yellow, changing to red and violet, and hydrochloric acid a violet color, the alkaloid present is probably veratrine.
The isolation of the iodine having been effected, it remains to be ascertained that it imparts a blue color to starch paste, and a violet color to bisulphide of carbon.
The bead foams up upon the addition of the nitre, and the foam appears, after cooling, of a rose-red or violet color.
An admixture of potash communicates to this flame a reddish-violet color, and the presence of soda that of a yellowish-red or orange.
This incrustation frequently presents a reddish-violet color at its exterior edges, often running into a deep blue.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "violet color" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
