ADS 22.1 ACCESSORY DYE-STAIXIXG SOLUTIONS 521 



22.1 Kiyono 1890 23081,25:181 



formula: water 100, potassium dichromate 5, chrome alum 2 

 UEcdMMENDioi) kor: sce DS 22.21 Altmami 1920. 



22.1 Lenoir 1929 0630,101:1203 



formula: abs. ale. 50, oil of cloves 50, hydrochloric acid 0.1 

 RECOMMENDED FOR: differentiation of safranin stains. 



22.1 Lewis test. 1900 Pollack Pollack 1900, 86 



formula: 2% chloral hydrate 25, oil of cloves 25, abs. ale. q.s. 

 preparation: Shake first two ingredients till emulsified. Add ale. with constant shaking 



till emulsion clears. 

 RECOMMENDED FOR: differentiation of dyes applied to neural structures. 



22.1 Lowit 1891 1780, 38:524 



formula: 95% ale. 100, picric acid 1, ADS 12.1 LaCour 1931 1 

 RECOMMENDED FOR: differentiation of safranin stains in plant tissues. 

 note: Tuan 1930 (205-lOb, 5:103) recommends the addition of picric acid to all alcohols 

 used in differentiation. 



22.1 Masson test. 1942 Langeron Langeron 1942, 530 



formula: sat. sol. picric acid in 95% ale. 65, 95% ale. 35 



RECOMMENDED FOR: differentiation of iron hematoxylin and, particularly, safranin 

 stains. 



22.1 Tuan 1930 see ADS 22.1 Lowit 1891 (note) 



22.1 Unna test. 1928 Schmorl Schmorl 1928, 154 



foRxMULa: glyceric ether 10, water 90 

 note: See comment imder ADS 20 above. 



22.1 Wolbach 1911 11006, 56:345 



formula: 95% ale. 100, rosin 0.5 



RECOMMENDED FOR: in differentiation of thiazin stains. 

 note: There is no reason to refer to this as colophonium alcohol, even though this phrase 



occurs in the title of Wolbach's paper. The obsolete term colophoniuyn has now been 



replaced by rosin or colophony in both the United States and British Pharmacopoeias. 



Moreover, in spite of his title, Wolbach used "common brown resin" — and says so, in 



just those words. 



22.1 Wolbach 1919 11343,41:75 



formula: acetone 90, rosin 15 



recommended for: differentiation of thiazin stains, usually after great dilution. 



