I have used Merck's Pyrogallic Acid, and prefer it to all others.
Merck's Pyrogallic Acid will be found, upon comparison, to be superior in every respect to all other brands on the market.
Merck's Pyrogallic Acid will be found a very superior article.
In connection with alkalies, pyrogallic acid produces a red-brown to black-brown coloration.
Pyrogallic acid may be used for darkening the hair, not only in combination with metallic substances, but also by itself, or with alkalies.
It was a curious coincidence that the little livid-green man was also there, leaning against a tree and looking on with a half sneer.
The reporter who invents an incident, or heightens the horror of a calamity by fictions is in the case of Shapiro.
A man shut into the Tuileries Garden begins to think that it is all an illusion, the trick of a disordered fancy.
Lamb, Shelley, Keats, Hunt and Hazlitt, was a professor of music who attained great eminence as an organist and composer of hymn-tunes and sacred pieces.
In the words of that providential poem-- Though they may forget the singer They will not forget the song.
Pyrogallic acid, and the juice of walnuts, also stain the skin, although less intensely and permanently than nitrate of silver.
In this way a portion of pyrogallic acid is formed, which is very soluble in water, and strikes an intense bluish-black colour with the protosulphate or green sulphate of iron.
Two fluids, one of which is a solution of nitrate of silver in ammoniacal water, and the other a solution of pyrogallic acid.
A salt of pyrogallic acid; an ether of pyrogallol.
The exposed plate is then treated with reducing agents, as pyrogallic acid, ferrous sulphate, etc.
What I claim for bromide of zinc is that a rapid plate can be made with it, and any degree of intensity can be readily obtained with a very small proportion of pyrogallic acid in the developer.
With the plates to which I refer, I found that I only required to use for a 7½ × 5 plate one grain of pyrogallic acid in about three ounces of developer to get full density without the slightest difficulty.
But, should your patients wish to hide their gray hairs, probably the best hair-dye that can be used safely is pyrogallic acid or walnut juice, the hairs being first washed with an alkaline solution to get rid of the grease.
This developer is formed as follows: Pyrogallic acid 1 gr.
For determining the quantity present in atmospheric air, and other like gaseous mixtures, Dobereiner has proposed the use of pyrogallic acid.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "pyrogallic acid" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
