_See_ Phenol.
" colours, mordanting, 74
" hydrochloric. _See_ Hydrochloric acid.
" nitric. _See_ Nitric acid.
" sulphuric. _See_ Sulphuric acid.
Acids, distinguishing, from alkalis, 23, 49
" neutralisation of, 50
" properties of, 49
" specific gravities of, 49
Affinity, chemical, 71
Alizarin, 75, 76, 80, 83, 91, 99
" blue, 90
" paste, 91
" pure, 91
" purple, 77
" red, 77
Alkali, manufacture of, by ammonia-soda process, 55
" manufacture of, by electrolytic process, 56
" manufacture of, by Leblanc process, 53
Alkalis, distinguishing, from acids, 23, 49
" neutralisation of, 50
" properties of, 49
" specific gravities of, 49
Alum, cake, 73
Aluminium sulphate, 73
Ammonia, 23, 95
Ammonia-soda process, 55
Aniline, 91
" black, 81
" constitution of, 96
" preparation of, 96
" reaction of 97
" violet 77, 81
Animal fibres. _See_ Fibres.
Annatto, 83, 85, 87
Anthracene, 90
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