234 METHODS AND FORMULAS F 7000.1000-F 7000.1010 



7000.1000 del Rio-Hortega 1928 test. 1933 Cajal and de Castro 



Cajal and de Castro 1933, 281 

 formula: water 225, potassium dichromate 15, chloral hydrate 15, 40% formalde- 

 hyde 25 



7000.1000 del Rio-Hortega 1929 3231, 9:21 



formula: water 225, potassium dichromate 4.5, 40% formaldehyde 25 

 note: This solution must be made with pure distilled water and borax-neutralized 

 formaldehyde if used before metal staining. 



7000.1000 Sanchez test. 1933 Cajal and de Castro Cajal and de Castro 1933, 128 



formula: water 225, potassium dichromate 5, 40% formaldehyde 25 



7000.1000 Schreiber 1898 766, 14:275 



formula: a. water 237, potassium dichromate 0.9, 40% formaldehyde 16; B. water 225, 

 potassium dichromate 4.4, 40% formaldehyde 3.8 



7000.1000 Schridde 1910 see F 7000.1000 von Orth 1896 (note) 



7000.1000 Smirnow 1898 1780, 52 :202 



formula: water 200, potassium dichromate 10, 40% formaldehyde 50 



7000.1000 Smith 1930 Turtox News, 8:91 



formula: a. water 225, 40% formaldehyde 25; B. water 250, potassium dichromate 10 

 method: [fresh tissues] —y A, till required -^ thin slices, B 3-5 days -^ distilled water, 

 thorough wash -^ blot -^ MS 34.1. Andriezen 1884 



7000.1000 Stilling 1898 1780, 52:176 



formula: water 225, potassium dichromate 6.25, 40% formaldehyde 25 

 note: The formula of Kose 1898 (20181, 6:224) is identical. 



7000.1000 Strong 1895 766, 10:494 



formula: A. water 250, potassium dichromate 8.75, 40% formaldehyde 8.75; B. water 



163, potassium dichromate 7.5, 40% formaldehyde 87 

 note: See MS 34.1 Strong 1895. 



7000.1000 Whitehead 1932 11431,35:415 



formula: water 220, potassium dichromate 6, 40% formaldehyde 30 



7000.1000 Wiesel 1902 764, 19:481 



formula: a. water 225, potassium dichromate 2.5, 40% formaldehyde 25; B. 2% potas- 

 sium dichromate 

 method: [fresh tissue] -^ A, 4: days — > B, 2 days 



7000.1010 Dichromate-formoldehyde-acetic 



This class of fixatives is warmly recommended by Romeis 1948, p. 58, under the generic 

 name of Kaformacet. 



7000.1010 Bohm and Davidoff 1905 Bohm and Davidoff 1905, 27 



formula: water 225, potassium dichromate 5, 40% formaldehyde 25 

 preparation: Add the formaldehyde after complete solution of dichromate. 



7000.1010 Bohm and Oppel 1907 Bohm and Oppel 1907, 114 



formula: water 225, potassium dichromate 2.25, sodium sulfate 1.25, 40% formalde- 

 hyde 12.5, acetic acid 12.5 



7000.1010 Cummings 1925 11135,38:401 



formula: water 250 potassium dichromate 8.5, 40% formaldehyde 10, acetic acid 12.5 



7000.1010 Haver 1927 11431,30:621 



formula: water 225, potassium dichromate 5.6, sodium sulfate 2.25, 40% formaldehyde 

 12.5, acetic acid 12.5 



7000.1010 Held 1909 65, 31:196 



formula: water 240, potassium dichromate 2.5, 40% formaldehyde 8.8, acetic acid 4.0 



7000.1010 Joseph 1918 1798, 38:164 



formula: water 175, potassium dichromate 5.4, 40% formaldehyde 50, acetic acid 25 



