... applied to the coloring-matter of madder. See Alizarin. Ru'bi-cund. [Lat. Rubicun'dus; from ru'- ... angle of a polygon pro- jecting outward in reference to the centre of the 623 SALIFEROUS SALSOLA ...

... senna 672 Alhagi Maurorum 463 Alisma plantago 1294 Alizarin 623 Alkalimetry 583 Alkanet 1294 Alliaria officinalis 1294 ...

... 6H4 C6H2(OH)2. CH Synonyms: Dioxyanthrol; Desoxy-Alizarin; Leuko-Alizarin. A phenol derivative related to chrysophanio acid, obtained by the reduction of alizarin. Anthrarobin is a yellowish white powder, insoluble in ...

... Colorimetric Estimation of Minute Amounts of Aluminum with Alizarin S.—Atack’s Method 1 The reagent used is a 0.1% filtered solution of commercial alizarin S, the sodium salt of alizarin monosulphonic acid (yellow ...

... white, granular powder, a reduc- tion product of alizarin, of flavopurpurin, and of anthrapurpurin. In 1888 it ... to oxidation, whereby it is converted back into alizarin, the colour changing from a golden brown to ...

... THE NEWER DRUGS. APPENDIX 797 Anthrarobin. Obtained from alizarin. Yellowish powder. A solution of it gives a ...

... Alcohol 104 Alcohols 101,104, 112 Aldehydes 107 Alizarin 122 Alkalamides 137 Alkali, volatile 59 Alkaloids 137 ... to include in it every title, synonym and reference of importance; while each article of the materia ...

... ruberythrinic acid in yellow, silky prisms, decomposing into alizarin and sugar ; alizarin, which is also one of the constituents of ...

... the discovery of the process of manufacture of alizarin from anthra- cene, the last portions of distillate ... being assumed. It must, however, be noticed, that alizarin makers have recently found that "pitch anthracene" prepared ...

... 2. A one per cent, aqueous solution of alizarin (alizarin mono- sulphonate of sodium). 3. A one per ... juice are measured, a few drops of the alizarin solution added, and the solu- tion titrated with ...