PREPARATION OF A COLOURLESS OR DECOLORIZED SOLUTION OF IODINE
Year: 1885

page_text: Iodine.
HARRY NAPIER DRAPER, Esterel Temple Road Rathmines Dublin do hereby
declare the nature of my invention for THE PREPARATION OF A COLOURLESS OR
DECOLORIZED SOLUTION OF IODINE to be as follows:-
--
It is known that solutions of the organic bodies, Orcin, Phoroglucin, Resorcin and
in a less degree of other substances, possess the property of forming with Iodine
combinations so loose that upon the simple evaporation of the solution, the metalloid
is set free while the organic body separates, no longer in a state of combination but
in its original condition.
I propose to apply this fact to the preparation of a colourless or partly decolorized
solution of Iodine for use in medicine or the arts. For this object I prefer to
employ the substance known as Resorcin or Resorcinol (C, H. O,), firstly, because it
best fulfils the required conditions and secondly, because it is inexpensive and may
be readily obtained in commerce.
The methods of effecting the combination of Resorcinol with Iodine may be
considerably varied but I prefer to proceed as follows. If, for example, it be
desired to prepare a decolorized solution of Iodine of the same strength as the
Tincture of Iodine of the British Pharmacopoeia, I take
Iodine, eleven grains.
Resorcinol, thirty-five grains.
Distilled Water, one ounce.
I finely pulverize the Iodine with a suitable quantity of washed sand and having
dissolved the Resorcinol in the water, I add to the solution the mixture of Iodine
and sand The vessel containing the mixture is as frequently as possible agitated
during 48 hours and at the end of this time it will be found that combination has
been effected. This combination is however much facilitated by the application of
heat. Solvents other than water may, under varying conditions be employed and
I do not confine myself in any way to the proportions of Iodine, organic substance
and solvent above stated, or to the mode in which the combination is effected.
In conclusion I claim as the subject of my patent, the preparation for medical or
technical purposes of a colourless or partly decolorized solution of Iodine, by com-
bining that metalloid in watery or other solution with any substance, organic or
otherwise which entera with Iodine into so loose a state of combination that upon
evaporation of the solution the iodine is left in a free or uncombined state.
HACK

page_text: 14041органоп
Iodine.
HARRY NAPIER DRAPER Chemist Esterel, Temple Road, Rathmines Dublin do
hereby declare the nature of my invention for THE PREPARATION OF A COLOURLESS
OR DECOLORIZED SOLUTION OF IODINE and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following.
statement:-
It is known that solutions of the organic bodies Orcin, Phoroglucin, Resorcin,
and in a less degree of other substances, possess the property of forming with Iodine
combinations so loose that upon simple evaporation of the solution the metalloid is
set free, while the organic body separates, no longer in a state of combination, but
in its original condition.
I propose to apply this fact to the preparation of a colourless or partly decolorized
solution of Iodine for use in medicine or the arts.
For this object I prefer to employ the substance known as Resorcin or Resorcinol
(C, H, O,) firstly because it best fulfils the required conditions, and secondly, because
it is inexpensive and may be readily obtained in commerce.
The methods of effecting the combination of Resorcinol with Iodine may be
considerably varied, but I prefer to proceed as follows. If, for example, it be desired
to prepare a decolorized solution of Iodine of the same strength as the Tincture of
Iodine of the British Pharmacopoea I take
Iodine, 11 grains.
Resorcinol, 35 grains.
Distilled Water, one ounce.
I finely pulverize the iodine with a suitable quantity of washed sand, and having
dissolved the Resorcinol in the water I add to the solution the mixture of Iodine
and sand. The vessel containing the mixture is as frequently as possible agitated
during 48 hours, and at the end of this time it will be found that combination has
been effected. This combination is, however, much facilitated by the application of
heat. Solvents other than water may, under varying conditions be employed, and
I do not confine myself in any way to the proportions of Iodine, organic substance
and solvent above stated, or to the mode in which the combination is effected.
Having now particularly described and ascertained the nature of my said
Invention, and in what manner the same is to be performed, I, declare that what
I claim is
The preparation for medical or technical purposes, of a colourless or partly
decolorized solution of Iodine, by combining that metalloid in watery or other
solution with any substance, organic or otherwise, which enters with Iodine into
so loose a state of combination that upon evaporation of the solution the Iodine is
left in a free or uncombined state.
Dated this 10th day of February 1886