P 13.1 Formulas PRESERVATIVES 181 



13.1 Robin 1871 Robin 1871, 373 



formula: F 7000.0000 Midler 1859, 50, glycerol 50 



13.1 Thwaite test. 1880 Beale Beale 1880, 65 



formula: 95% ale. 6, wood creosote 0.5, chalk in fine powder q.s. to sat., water 50, 

 camphor water 50 



13.1 Topping test. 1871 Robin Robin 1871, 375 



formula: water 50, glycerol 50, aluminum acetate 10 



