. A manual of dyeing: for the use of practical dyers, manufacturers, students, and all interested in the art of dyeing . alein as indicator, titrated with standard potash or soda. The * Joum. Soc. Dyers and Col., 1885, p. Chem. News, vol. liii. (1886), p. 165. 78o A MANUAL OF DYEING. ^ ^ o 1 .-^ rj CO .-^ « m .S > 0 t, Q ^ o a-^ e3 a5 2 f2§ C .^J c3 S H (B tH m y3 H CO ^ 3 u- 3 ^ SW sa3 +3Q ,S O o 5 O « tHrH ^3 ^ ^ g s » ^- ® 2 ® m a -^ c o Q O c« O 5 ^ ^ 00 O -^3 O • C *^ 2 c3_fl Sodium silicate. Decora-pose with HCl and de-termine soda combinedin silicate and silica. NaoS0
. A manual of dyeing: for the use of practical dyers, manufacturers, students, and all interested in the art of dyeing . alein as indicator, titrated with standard potash or soda. The * Joum. Soc. Dyers and Col., 1885, p. Chem. News, vol. liii. (1886), p. 165. 78o A MANUAL OF DYEING. ^ ^ o 1 .-^ rj CO .-^ « m .S > 0 t, Q ^ o a-^ e3 a5 2 f2§ C .^J c3 S H (B tH m y3 H CO ^ 3 u- 3 ^ SW sa3 +3Q ,S O o 5 O « tHrH ^3 ^ ^ g s » ^- ® 2 ® m a -^ c o Q O c« O 5 ^ ^ 00 O -^3 O • C *^ 2 c3_fl Sodium silicate. Decora-pose with HCl and de-termine soda combinedin silicate and silica. NaoS04. Weigh as BaS04. Calculate as Na2S04. NaCl. Titrate with AgNOg or weigh as AgCl. Calculate as NaCl. NajCOj. Titrate withnormal H2SO4, and cal-culate as NaQCOo. a> o • Srd © ^ ^ -^^ a® cS o u -ii cS ° (H cS ce c3 g H ^TJ o ^ P1 , 03 C 3 t- T3CO c3 *c G ■S^^ a, -=* o S ^o *^ O o3 O d .^0 cS -§3^ a a to -J2 . ■a 0) P3 a a T3 O eS 5 G m K oS m cd ^ G-03 S ®K CO m o ^ £ o « 0^ O a<1. c8 += JS P ^ft cS .t; ^ rTn G n S •^ O Si rQ a O a >>c -^ o i^ =« 0) °is c« g c3 G a>O 0.£3 •■•^ *^ -»^ j3«« ® C M .-. - O to 0) O e^ G rt c3^ O) U P ^J- ~,~. -R o g;::33 2 <D (D « 2 J 2 J ^ ^ 3 ^ O g; rtC-Jo g H -rt -2 G 5 yi 03 t< G O 2 C3 •* , 00 o • CO ^ 00 » t! 943 *-2 <bM Extract is uncombined at 100° and weigh. ANALYSIS OF SOAP. 78f ethers of the fatty acids, under these conditions, are not affected by the combining weight, or saponification equivalent, of the resin acids is takeaat 346. The scheme on opposite page for the complete analysis of soap (by A, ) is taken from the Chemical Neivs, vol. xlviii. (1883), p. 166. Examination of Fatty Matter in Soap.—In the analysis of soap it isfrequently desired to ascertain what kind of oils and fats have been used in itsmanufacture. This is much the most difficult part of the information may generally be obtained f
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