F 3500. 101 OF 3670.0000 FIXATIVES 215 



3500.1010 Pfuhl 1932 Supifonneis—aud. 23507a, 31:18 



formula: water 200, mercuric chloride 6, picric acid 1, 40% formaldehyde 50, acetic 

 acid 12.5 



3500.1010 Yokum 1918 22084, 18:337 



formula: 95% ale. 140, ether 25, picric acid 1.25, mercuric chloride 2.5, 40% formalde- 

 hyde 62, acetic acid 25 



3560.0040 MERCURIC-PICRIC-CHROMIC-NITEIC 



3560.0040 Hennings 1900 23632, 17:311 



formula: water 86, abs. ale. 128, mercuric chloride 8, picric acid 0.3, chromic acid 0.2, 



nitric acid 36 

 note: This is stated by the author to soften chitin. 



3600.0000 Mercuric-chromic 



Mercuric-chromic mixtures are good fixatives, though the mercuric constituent tends to 

 make small forms more brittle than do the simple chromic fixatives. They are in general to be 

 recommended for cytoplasmic rather than nuclear fixation. 



3600.0000 Lo Bianco 1890 14246, 9 :443 



formula: water 250, mercuric chloride 1.2, chromic acid 0.7 



3600.0000 Mann 1898 22246, 12 :39 



formula: water 250, mercuric chloride 6.25, chromic acid 6.25 



8600.001 Mercuric-chromic-acetic 



3600.0010 Novak 1902 test. 1910 Poll Ehrlich, Krause, et al. 1910, 1:225 



formula: water 200, mercuric chloride 2, chromic acid 0.25, acetic acid 50 



3600. 0040 Mercuric-chromic-nitric 



3600.0040 Kingsbury and Johannsen 1927 Kingsbury and Johannsen 1927, 75 



formula: water 185, mercuric chloride 7.5, F 6000.0040 Perenyi 1882 65 

 recommended for: stated to prevent hardening of chitinized structure. 



3600.1010 Mercuric-chromic-Jormaldehyde-acetic 



3600.1010 Gerhardt 1901 766, 20 :244 



formula: water 225, mercuric chloride 4.25, chromic acid 0.7, acetic acid 6.25, 40% 

 formaldehyde 62.5 



3600.1010 Hertwig 1905 test. circ. 1938 Wellings Wellings circ. 1938, 29 



formula: water 220, mercuric chloride 5.25, chromic acid 0.75, 40% formaldehyde 25, 

 acetic acid 7.5 



3600.1010 Novak 1901 766, 20 :244 



formula: water 225, mercuric chloride 5.3, chromic acid 0.75, 40% formaldehyde 25, 

 acetic acid 7.5 



3600.1010 Rothig 1904 test. 1948 Romeis Romeis 1948, 552 



formula: water 217, mercuric chloride 5.4, chromic acid 0.75, acetic acid 7.5, 40% 

 formaldehyde 25 



3670.0000 mercuric-chromic-dichromate 



3670.0000 Williamson and Pearse 1923 11025, 57:193 



formula: water 250, mercuric cliloride 12.5, potassium dichromate 5, chromium fluoride 



5 

 preparation: Boil the dichromate and fluoride 30 minutes. Cool, filter, and add mercuric 

 chloride to filtrate. Boil till solution is complete. 



