WHEREVER YOU ARE . .
ALABAMA
Birmingham Mobile
THERE'S A DU PONT
INDIANA
F. H. Ross & Co. F.H.Ross*Co. CALIFORNIA
KENTUCKY
AGENT FOR UREA
Los Angeles San Francisco
READY TO SERVE YOU
South Norwalk Merchants Chemical Company, Inc.
Braun Chemical Co. Braun-Knecht-Heimann Co. CONNECTICUT
FLORIDA
Jacksonville
F. H. RossftCo. OCOROIA
Atlanta Columbus Savannah
F.H.Ross 4 Co. F. H.Ross & Co. F. H.Ross & Co. ILLINOIS
Chicago 66
C&EN
MARCH
17.
F t Wayne Hoosier Solvents ft Chemicals Corp. Indianapolis..Hoosier SolventsftChemicals Corp.
1950
Central Solvents & Chemicals Co.
Louisville
Merchants Chemical Co., Inc. LOUISIANA
New Orleans
Barada ft Page, Inc. MARYLAND
Baltimore
LeMy Chemicals Corp. MASSACHUSETTS
Fall River Stoneham Worcester
Borden ft Remington Co. George Mann ft Co., Inc. Chemical Sales ft Service Co, Inc. MICHIGAN
Detroit
Eaton Chemical ft Dyestuff Co.
Du Pont chemical experience is the reason...
You c a n count o n Du Pont Crystal a n d Shotted Urea for highest purity A product of continued research and development —Du Pont Urea it conveniently supplied through ο nationwide network of chemical agents· Du Pont Urea provides highest quality and consistent uni formity wherever it's used. Many processors prefer the timeproven, pure, crystal form; others find the newer, free-flowing "shotted" form meets their high standards and also makes possible reduced handling costs. Both forms of Du Pont Urea are equally dependable in performance—both are readily available from your local Du Pont Agent. Du Pont Urea effectively serves in a wide number of chemi cal applications. For example... its reactivity with aldehydes makes Du Pont Urea extremely valuable in the manufacture of urea-formaldehyde thermosetting resins for adhesive*, pro tective finishes and molding com|>ositions. It is also used extensively in the treatment of paj>er and textiles. If your production or development work requires high qual ity and |x?rformance of urea, why not take advantage of over 20 years of research ex|»rience res|>onsible for the exacting manufacture of Du Pont Urea? Your local Du Pont Agent can provide immediate shipment of both crystal and shotted urea in 100-lb. multi-ply fiaper bags. And remember, too, a Du Pont Technical Representative is always available for as sistance when you deal with any of the agents listed below.
FOtMUA:
CO(NHx)t
Typicol Anolysis for Crystal U f a : pH (10% solution at 20° C )
6.3
Moisture
0.25%
Ash
II
pom
Free Ammonia
4
ppm
Iron
0.4 ppm
Color, APHA (10 gm. in 100 ml. methanol) . . . .
2
Turbidity, APHA (50 gm. in 100 ml. water at 25° C i
5
Typicol Analysis for "Shotted" Uroo: ρ Η Ιί0% solution at 205 Ο
9.4
Moisture
0.17%
Ash Free Ammonia
35
ppm
150
ppm
Iron
Du PONT
SETTEt
THINGS
tu.u.s.MV-orf FOR BETTER L I V I N G . . . ÎHMOUCH
CHEMIST**
POLYCHEMICALS Merchants Chemical Co., Inc. MISSISSIPPI
Jackson
Charlotte Greensboro Raleigh
F. H. Ross & Co. MISSOURI
Kansas City Barada & Page, Inc. St. Louis Barada & Page, Inc. St. Louis Missouri Solvents & Chemicals Co. National Oil & Supply Co. Brown Chemical Co., Inc. NEW Y O R K
Buffalo Hicksville. Long Island New York
Color, APHA (10 gm. in 100 ml. methanol) Turbidity, APHA (50 gm. in 100 ml. water at40°C)
Chemical Sales Corp.
National Oil & Supply Co. Merchants Chemical Co., Inc.
F. H. Ross & Co. F. H. Ross & Co. F. H.Ross & Co. Merchants Chemical Co., Inc. Ohio Solvents & Chemicals Co. Merchants Chemical Co., Inc. OREGON
Portland
7
ppm
SOUTH CAROLINA
Columbia Greenville
Altoona .Western Penna. Chemical Co., Inc. Erie Western Penna. Chemical Co., Inc. Middletown (Harrisburg) Western Penna. Chemical Co., Inc. Philadelphia Pioneer Salt Co. RHODE ISLAND
Borden & Remington Co. George Mann & Co., Inc.
F. H. Ross & Co. F. H. Ross & Co. TENNESSEE
Chattanooga Knoxvilit Knoxville Nashville
Burkart Schier Chemical Co. BurkartSchier Chemical Co. F. H. Ross & Co. Burkart Schier Chemical Co. TEXAS
Van Waters & Rogers, Inc. PENNSYLVANIA
Providence Providence
2
DEPARTMENT
OHIO
Cincinnati Cleveland Columbus
NEW JERSEY
Newark Paterson
3.9 ppm
N O R T H CAROLINA
MINNESOTA
Minneapolis
ppm
Dallas Houston
Van Waters & Rogers. Inc. Van Waters 6 Rogers, Inc. UTAH
Salt Lake City
Braun-Knecht-Heimann Co. WASHINGTON
Seattle
Van Waters & Rogers, Inc. WISCONSIN
Milwaukee
MARCH
Merchants Chemfeal Co., Inc.
17, 1958 C&EN
67
