Static Frictii 



207 



Methyl 

 Ethyl 

 Propyl 

 Butyl . 

 Amyl 

 Dcty] , 

 Cetyl , 



Faces clean. Static friction *5. 



Chain Compounds. 



Alcohols. 



Static friction. 



-29 



'32 



-34 



-30 



-27 



-25 



-17 



Static friction. 



Isopropyl '32 



Isobutyl -30 



Allyl -29 



Glycol -30 



Glycerol "22 



Penterythritol -40 



Acids. 



Pormio -45 



Acetic - 40 



Propionic "31 



Valeric -28 



Capryllic, fluid -19 



,, frozen on plate *05 



Stearic ... 

 Oleic ... 

 Ricinolic 

 a Lactic 

 Glyceric 



■15 

 •10 

 •02 

 •20 



•22 



Acetone *32 



Methyl ethyl ketone ... -29 



Ethyl ether '33 



Ethyl acetate "36 



,, valerianate "35 



Tristearin -24 



Triolein 44 



Acetone di carboxylic di 



ethyl ester .....' -29 



n. Hexane -37 



n. Heptane "346 



n. Octane 



•32 



B.P. "paraffin" '20 



Solid paraffin, m.p. 305 '09 



m.p. 46 -07 



Carbon tetrachloride ... '43 



Chloroform -30 



Amylene 

 Octylene 



•26 



•28 



Butyl xylene *27 



Benzene 



Ethyl benzene 

 Iodo benzene 



Toluene 



Xylene 



jM-Cyniene 



Phenol 



Catechol 



Quinol 



//j-Cresol .... 

 Benzyl alcohol 



Ring Co 



Static friction 



M POUNDS. 



Benzoic acid 



Phthalic acid 



Cinnaniic acid 



Benzilic acid 



Salicylic acid 



Ethyl benzoate 



0-Phthalic ester 



Ethyl hydrocinnamate . 

 Ethyl cinnamate 



•34 

 •32 

 •30 

 •28 

 •30 

 •31 



•39 

 •40 

 •26 

 •31 



•38 

 •37 

 •27 

 •45 

 •41 

 •33 

 •27 

 •28 

 •32 



Static friction. 



Thiophenol 



Benzylhydrosulphide . 



Pyridine .. 

 Piperidine 



Naphthalene . . 



-Anthracene 



/3 Naphthol 



Naphthoic acid 



•22 

 •23 



•33 

 •32 



•29 

 •26 

 •33 

 •39 



Carvacrol '23 



Thymol -24 



Menthol -26 



di Pentene '31 



Camphor '24 



Active ethyl ester of 



Camphor oxinie "33 



Iso-Cholesterol *27 



