INDEX.

727

Pyrocatechin, derivatives of, 684

QUERCETIN, 399Quercitron, 395

— colouring matters contained in,396

— decodtion of, 395

— extradt, detedlion of, 677

— use made of, 401

J^AG dyeing, 653

Random, magenta, 103

— orange, 102

— purple, 103

— Prussian blue, 103

— Saxon blue, 102

— scarlet, 102

Randoms or clouded yarns, 102Red, 225, 633, 638

— amaranth, 380

— brown, chrome, 97

— colouring linen yarn, 59-matters, 350

— harmala, 364

— Hofmann’s xylidin, 675

— lakes, 365

— liquor, 277, 288

— madder, 93

— naphthylamine, 206

— new aniline, 689—■ picric, 219

— and pink, madder, specimen, 576

— pink, mordants for, 275

— prussiate, 163

— Turkey, with discharges, 565

— without oil, 225

— woods, chemical history of, 333Reds, aniline, 178

— Coupler’s aniline, 675

— detedlion of, 663

— thickening for, 226Redoul, 501Renegrida, 351Resorcin, derivatives of, 684

— nitrous derivatives of, 685Reserve, 318

Reserves, 3ig, 580, 585

— means of obtaining, 318Resin, lac, 353

Resist, 318, 571Rhamnoxanthin, 411Rhea tenacissima, 63Robbia, 228Robium, 410Roccellinine, 374Rocon, 426Rod, golden, 511

Roller printing, steam black for, 347Root, Carapa, 510

— yellow Canadian, 510Rosanaphthylamine, 206

Rosaniline, acetate of, 183

— hydrochlorate of, 181

— preparation of, iyg

Rose colour, mordants for, 275

— pink, 93

-mordants for, 288

Roseine, 178Rosolic acid, 674, 683Rothine, 220Rubia, 228

— cordi folia, 229

— mungista, 329

— peregrina, 229

— tin&orium, 228Rubiaceas, produdfcs of, 328Rubiacin, 251

Rubian, 238

— (Schunck), 252Ruberythric acid (Rochleder), 252Rutin, 410

Rutinic or rutic acid, 410Rufigallic acid, 687

gAFFLOWER, 384

— estimation of goodness of, 386

— varieties of, 385Saffranin, test for, 689Saffranin, 207Saffron, 422Sal-ammoniac,12 1Salmon, 94

— with madder, 94Santalin, 340Salt, preparing, 532

— pink, 532

Salts, ammoniacal, 120Saw-wort, 513Scales, thermometer, 699Scarlet, 92, 635

— cochineal, g2

— for delaines, 623

— grain, 353

— lac-dye, 92

— Ulrich’s, 676

— for woollen yarn,^630Schunck, Dr., constituents of cotton

fibre, 29

Shades, covering, 581

— heavy, prepare for, 600Shellac, 354Shumach, 501

Silica, no

— ultramarine, 161Silicate of soda, 118Silk, 104

— bleaching, 106

— constitution of, 104

— black, detedlion of, 672

— and other fibres, means of dis-

tinguishing, 107Silks, method of dyeing, 630