42 BULLETIN 555, U. S. DEPARTMENT OF AGRICULTURE. 



(Name and location of laboratory :) 



Repobt on Sample of Tab. 

 (Classification name of material.) 



Laboratory No. 



(Date reported.) 

 , 191— 



Trade name 



Identification marks 



Submitted by Title Address 



Sampled , 191 Received , 191. 



Sampled from 



Quantity represented 



Manufactured by 



Location used or to be used 



Examined for 



TEST BESTJLTS. 



General characteristics- 

 Water 



Specific gravity, 25° 0./25 C 



Specific viscosity, Engler at ° 0. 



Float test, ° O. (seconds) 



Melting point (° C) 



Solubility in carbon disulphide 



C. (seconds). 



DISTILLATION. 



Fractions. 



Character. 



Per cent 

 volume. 



Per cent 

 weight. 



170° C 









170° C.-235° G 









235° C.-270" C 









270° C.-300° C 

























Specific gravity of distillate 25° C./25° C 



Melting point of residue (°C) 



Insoluble in dimethyl sulphate, per cent of fraction ° C. to ° C. 



Remarks : 



Respectfully submitted, 



(Title). 



