Century Dictionary and Cyclopedia
- n. A coaltar color prepared by treating dimethylaniline successively with hydrochloric acid, sodium nitrite, sulphureted hydrogen, common salt, and zinc chlorid. It is used in dyeing, and produces fast blues on cotton, leather, and jute, but not on wool or silk. It is also an important bacterioscopic reagent.
“Stain in the usual way with methylene-blue or fuchsin.”
“Gentian violet 5.0 grammes and proceed as in preparing the corresponding solution of methylene-blue.”
“Basic fuchsin 1.5 grammes and proceed as in preparing the corresponding solution of methylene-blue”
“Prepare cover-slip preparations, fix and clear as for milk preparations, stain carbolic methylene-blue, Gram's method,”
“Counterstain with Kuehne's carbolic methylene-blue for one or two minutes.”
“From the resulting growths make cover-slip preparations and stain carbolic methylene-blue, Neisser's method, Gram's method.”
“The bacilli are stained a light red by the neutral red, which contrasts well with the two or three black spots, situated at the poles and occasionally one in the centre representing protoplasmic aggregations (? metachromatic granules) stained by the acid methylene-blue.”
“Stain carbolic methylene-blue, carbolic fuchsin, and Gram's method.”
“Basic fuchsin 3.5 grammes and proceed as in preparing the corresponding solution of methylene-blue.”
“Carbolic methylene-blue (C.M.B.) and carbol fuchsin (C.F.) are prepared by covering the cover-slip with 5 per cent. solution of carbolic acid and adding a few drops of the saturated alcoholic solution of methylene-blue or fuchsin respectively to it.”
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A colorhouse - a manufactory of colors for tints, dyes, pigments, paints, glazes, &c. Terms associated with the science and history of colormaking.
All sorts of things went into color...
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