F 7000.1000 FIXATIVES 233 



immediately before use and fixation should always take place in the dark. It is desirable 

 to wash them out with a weak solution of formaldehyde, also in the dark, until such time 

 as no further color comes away. 



7000.1000 Bock 1924 23032,40:318 



formula: water 240, potassium dichromate 5, sodium sulfate 2, 40% formaldehyde 10 



7000.1000 Braus 1896 7137, 5:307 



formula: water 190, potassium dichromate 4.8, 40% formaldehyde 60, potassium sul- 

 fate 2.4 



7000.1000 Bubenaite 1929 23632, 46 :359 



formula: a. water 225, 40% formaldehyde 25, B. water 250, potassium dichromate 6 



7000.1000 Cajal test. 1933 ips. Cajal and de Castro 1933, 282 



formula: water 250, potassium dichromate 10, 40% formaldehyde 37.5 



7000.1000 Durig 1895 766, 10 :659 



formula: water 225, potassium dichromate 7.5, 40% formaldehyde 25 



7000.1000 Eisath 1911 14370, 20:3 



formula: water 250, potassium dichromate 7, sodium sulfate 4, 40% formaldehyde 37 



7000.1000 Fish 1895 21400a, 17:319 



formula: water 250, potassium dichromate 7.5, 40% formaldehyde 2.51 



7000.1000 Hultgren and Andersson test. 1910 Poll Ehrlich, Krause, et al. 1910, 1:232 



formula: water 250, potassium dichromate 5, potassium sulfate 2.5, 40% formalde- 

 hyde 10 



7000.1000 Kopsch 1896 766, 11 :727 



formula: a. water 200, potassium dichromate 7.5, 40% formaldehyde 50; B. water 250, 



potassium dichromate 8.75 

 note: See MS 34.1 Kopsch 1896. 



7000.1000 Kose 1898 see F 7000.1000 Stilling 1898 (note) 



7000.1000 Lachi 1895 14425, 5:15 



formula: water 187, potassium dichromate 7.5, 40% formaldehyde 63 



7000.1000 Landsteiner 1903 2526,33:237 



formula: water 240, potassium dichromate 3, potassium sulfate 1.5, 40% formalde- 

 hyde 12.5 



7000.1000 Mettler 1932 20540b, 7:102 



formula: a. water 125, 40% formaldehyde 125; B. water 250, potassium dichromate 7.5 

 method: [brain exposed but not removed from body] -^ A, 3-5 days — > [brain re- 

 moved to 5 1 wk. in dark] -^ thin slices to fresh B, changed when discolored, 2 wks. 

 in dark ->" F 1700.0000 Mettler 1932 

 note: Before metal staining, neutral formaldehyde must be employed. 



7000.1000 MoUer 1899 23635, 66 :85 



formula: water 200, potassium dichromate 6, 40% formaldehyde 50 



7000.1000 Miiller 1899 Muller-formol — compl. script. 1780,55:11 



formula: water 225, potassium dichromate 1.5, 40% formaldehyde 25 



7000.1000 von Orth 1896 23632, 13:316 



formula: water 225, potassium dichromate 5.6, 40% formaldehyde 25, potassium 



sulfate 2.25 

 note: The liquid of Schridde 1910 {test. 1937 Gatenby and Painter, 396) is identical. 



7000.1000 Pfeiffer and Jarisch 1919 23422, 10:1 



formula: water 225, potassium dichromate 8, 40% formaldehyde 25 



7000.1000 Regaud 1910 1823, 11:291 



formula: a. water 200, potassium dichromate 5, 40% formaldehyde 50; B. water 250, 



potassium dichromate 7.5 

 method: a. 5 days in dark, changing every 24 hrs. -* B,S days, changing every 24 hrs. 



