urea SPECIFICATIONS
PH
7-9.8
Water
0.5%
Ash
35 ppm max
Iron
2 ppm mcx
Free Ammonia Color
175 ppm max 10APHA
Turbidity
20 ppm max
PHYSICAL PROPERTIES OF UREA Molecular Weight
60.06
Boiling Point
Decomposes
Melting Point
132.7 C
Specific Gravity
1.335
Heatof Fusion
57.8 cal./gram
Heat of Solution in H 2 0.
57.8 col./ gram
WE'RE SERIOUS ABOUT SEBVICE AT SOHIO
Inventa
process gives you
high-quality urea in prill form 120-ton per day urea unit is the first in the United States to use the Swiss Inventa process. This process with its specially lined reactor eliminates corrosion and metal contamination, resulting in a dependable supply of highestquality prilled urea. What's more, every phase of
OOHIO'S
Sohio's production is electronically controlled — monitored and logged — to insure high-quality chemical grade urea. Be sure t o contact Sohio first for quality chemicals. A qualified representative will b e glad to call on you in person. Prilled urea samoles are vours for the asking.
H i g h - q u a l i t y - i n d u s t r i a l c h e m i c a l s : 83% Ammonium Nitrate Solution . . . Nitric Acid . . . Urea . . . Aqua Ammonia . . . Anhydrous Ammonia (commercial and refrigeration grades)
SOHIO SOHIO CHEMICAL COMPANY FT. A M A N D A R D , P. O . BOX 6 2 8
·
LIMA, OHIO
NOV.
12.
1956
C&EN
5515