® YOU
GET YOU
GET
EXTRA
VALUE
IN
P U R I T Y Careful selection of raw materials, painstaking care in manufacturing, and stringent tests in our analytical laboratories are reasons for the
IN
oiistaiiding
Mallinckrodt
purit>/ of all
Mallinekroc.lt AR's.
®
YOU GET EXTRA VALUE
IN
ECONOMY When chemical and a p p a r a t u s orders are combined, your oedcriiitj and shipphifi costs are reduced. Mallinckrodt's leading laboratory supply dealers will gladly serve you.
Analytical Reagents
YOU GET EXTRA VALUE IN
SERVICE Eighty-four All dealers in fifty-eight cities employ over 500 trained specialists. These dealers carry ample stocks of Mallinekrodt AR's and are always at hand for prompt and efficient service. YOU
GET
EXTRA
VALUE
IN
PACKAGING Most Mallinckrodt AR's are packaged in new space-saving STORMOR* bottles —five occupy the space usually needed for four round bottles. On the shelf, labels always face you. STORMORs fit securely in your hand and if unset, will not roll.
REMEMBER TO SPECIFY
Mallinckrodt
®
AR'sinSTORMOR*s
Mallinckrodt
POTASSIUM
IODIDE
®
MALLINCKRODT CHEMICAL WORKS
ANALYTICAL REAGENT
The label
S E C O N D A N D MALLINCKRODT STREETS, ST. LOUIS 7, M O .
you can trust
72 GOLD ST., N E W YORK 8, Ν . Υ.
CHICAGO · CINCINNATI
CLEVELAND · LOS ANGELES · PHILADELPHIA · SAN FRANCISCO · MONTREAL · TORONTO
For further information, circle number 55 A on Readers' Service Card, page 53 A