LOOK
TO
MALLINCKRODT
FOR
YOUR
CHEMICAL
NEEDS
IN
THE
COMPOUNDS
OF . . .
H Li Na Κ
Mg Ca Sr Ba
C Si
AÎ Cr
Μη
Fe
Co
Ni
W
Cu Ag Au
Zn Cd Hg
Sn Pb
Ν Ρ As Sb Bi
Ο S
F CÎ Br I
fhe oundaîion Many f a c t o r s a r e involved i n the final quality of a product in the process industries. The inside story of m a n y difficulties, however. is often imperfect starting m a t e r i a l s — chemicals, for example. They a r e the foundation. L e t something go w r o n g at the beginning a n d there is often no cure, no way to avoid trouble, expense and rejections. T h a t ' s why so m a n y concerns s t a r t w i t h Mallinckrodt chemicals. They're exactly right, always dependable, a n d most chemicals you might need are immediately available. I n case they a r e n o t now in stock, in case you need special chemicals to meet specific problems — Mallinckrodt will help you in a h u r r y with the r i g h t chemical in t h e right physical form. A n i m p o r t a n t advantage of a chemical p l a n t like Mallinckrodt's is
flexibility
of research and production facilities. SERVING THE PROCESS INDUSTRIES
Mallinckrodt Manufacturers
Chemical
of chemicals for industrial,
MALLINCKRODT STREET, ST. LOUIS 7, M O .
SINCE 1 8 6 7
Works
medicinal, photographic
and analytical
uses
72 GOLD STREET, NEW YORK 8, Ν . Υ.
CHICAGO · CINCINNATI · CLEVELAND · LOS ANGELES · PHILADELPHIA · SAN FRANCîSCO · MONTREAL · TORONTO
VOLUME
3 3,
NO.
3
·
JANUARY
17,
1955
221
