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 
Sampled . , 191—. Received. 
Sampled from 
Quantity represented 
Manufactured by 
Location used or to be used 
Examined for 
Address. 
191__. 
TEST EESULTS. 
General characteristics. 
Water 
Specific gravity, 25° C./25 C 
Specific viscosity, Engler at ° C. 
Float test, ° C. (seconds) 
Melting point (° C) 
Solubility in carbon disulphide 
DISTILLATION*. 
C. (seconds) 
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 
Remarks : 
Respectfully submitted, 
C. to 
(Title) 
