Century Dictionary and Cyclopedia
- Related to rosaniline.
GNU Webster's 1913
- adj. (Chem.) Pertaining to, or designating, a complex red dyestuff (called
rosolic acid) which is analogous to rosaniline and aurin. It is produced by oxidizing a mixture of phenol and cresol, as a dark red amorphous mass, C20H16O3, which forms weak salts with bases, and stable ones with acids. Called also methyl aurin, and, formerly, corallin.
“Peptone rosolic acid water, 186 water (Dunham), preparation of, 177”
“Pasteur's solution, 191 peptone rosolic acid water, 186 water (Dunham), 177 plaster-of-Paris discs, 192 potato, 174 gelatine (Elsner), 204”
“Measure out peptone water (Dunham), 100 c.c., and rosolic acid solution, 2 c.c., and mix.”
“To 10 c.c. of the milk in a test tube add 10 c.c. of alcohol and 0.3 c.c. of a 1 per cent. alcoholic solution of rosolic acid.”
“Weigh out rosolic acid (corallin), 0.5 gramme, and dissolve it in 80 per cent. alcohol, 100 c.c. Keep this as a stock solution.”
“Prepare tube cultivations in nutrient bouillon tinted with litmus, rosolic acid, neutral red, and incubate.”
“They might thus be confounded with the dyes of the fourth group, i.e., rosolic acid, coralline, eosine, and coccine.”
“Potassa turns rosolic acid and coralline from an orange-red to a bright red, while it produces no change in eosine.”
“The fourth group comprises saffranine, azo-dinaphthyldiamine, rosolic acid, coralline, pure eosine and cosine modified by a salt of lead, coccina, artificial ponceau, and red-wood.”
“a few drops of rosolic acid solution as indicator, and the flask placed in a boiling water-bath and continually agitated.”
‘rosolic’ hasn't been added to any lists yet.
Looking for tweets for rosolic.