Silk fibre, action of acids on, 7
" " " of alkaline solution of, copper and glycerin on, 7
" " " of alkalis on, 7
" " " of basic zinc chloride on, 7
" " bleaching of, 7
" " composition of, 7
" " structure of, 6
" " ungumming of, 7
" glue, 7
" gum, 7
Soap, 60
" alkali in, detection of, 61
" oleic acid, 101
" palm oil, 101
" water in, determination of, 60
Soda. _See_ Alkali.
Solution, 36
" precipitation of insoluble compounds from, 38
Specific gravity, 30
Spectra of coloured substances 112
Spectroscope, 111
Spectrum, 108
" absorption, 113
" continuous, 111
" discontinuous or line, 111
Spirits of salt. _See_ Hydrochloric acid.
Starch, 4
Steam, 31
" latent heat of, 34
Stiffening mixture, 63
" process, 64
" " Cheetham's, 66
" " Continental, 66
" " effect of, in dyeing 65, 103
Suint. _See_ Wool grease.
Pages:
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206