Advertisements now appearing in medical journals repeat the older “formula” except that resorcin is omitted.
In such instances the application of a strong alcoholic resorcin lotion, ten to twenty-five per cent.
Resorcin, in lotion, 3 to 25 per cent strength, is through the exfoliation it provokes, frequently of value; the resorcin paste referred to in acne can also be used for this purpose.
In those cases where the lesions are numerous the production of exfoliation of the epiderm by means of resorcin applications (see acne) is a good plan.
In such cases, if resorcin preparations also fail, the mercurial lotion and ointment employed in acne may be prescribed.
In obstinate patchy cases occasional paintings with a 20 to 50 per cent alcoholic solution of resorcin is curative; following the painting a mild salve should be used.
For this purpose a boric acid solution, containing five to thirty grains of resorcin to the ounce, and Vleminckx's solution, at first diluted, prove the most valuable.
But even when the resorcin is present in excess at the end of the reaction some free acid is always left which may be obtained from the mother liquid in the characteristic colorless orthorhombic crystals.
White crystals of resorcin collect on the sides of the vessel.
The reaction therefore which takes place between ortho-sulpho benzoic acid and resorcin from its analogy to that taking place between phthalic anhydride and resorcin may be represented thus, as shown by Baeyer in his second paper (Ann.
Orthosulphobenzoic acid acts on resorcin at a temperature of about 180° giving off water and forming a substance analogous to fluoresceïn but having the CO group replaced by SO{2}.
A considerable amount of resorcin is lost by sublimation during the reaction especially if the operation is carried on in a beaker so that some excess should be added.
The free acid is mixed with resorcin in the proportion of 1 part acid to 1.
The bath is heated and at about 100° the resorcin melts and the acid slowly dissolves in the liquid.
Heat the remainder of the above ether residue with resorcin and a very little sulfuric acid till it begins to swell.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "resorcin" in a variety of sentences. We hope that you will now be able to make sentences using this word.
