ANALYTICAL REAGENT 1 LB.
M l^'CKRODT
CHEMICAL
Woig
T h r o u g h 85 ν ears of manufacturing, Mallinckrodt has built a reputation for unsur passed "know-how" in the production of fine chemicals. Mallinckrodt draws on this extensive accumulated experience in the production of its A.R.'s.*
Strict laboratory controls guarantee d e p e n d a b l e purity. All Mallinckrodt A.R.'s must conform to predetermined standards.-Mallinckrodt chemists have cooperated closely with the Committee of Reagents of the A. C. S. in t h e development of reagent specifications. Better methods of quality control are continually b e i n g devised b v Mallinckrodt analytical chemists.
Research on Analytical Reagents is a p e r m a n e n t part of the Mallinckrodt program, developing u e w a n d improving old products to meet the specific n e e d s of reagent users. Mallinckrodt continually produces A.R.'s a n d other fine chemicals to high purity standards, b a t c h after batch, year after year.
Proper packaging of reagents is essential to preserve their initial purity. Mallin ckrodt considers packaging research of high importance, a n d has constantly im proved the packaging of its A.R.'s.
Mallinckrodt's extensive manufacturing facilities assure complete stocks for p r o m p t delivery. Equally important, Mallinckrodt A.R. distributors, more than 65 of t h e m in-every part of t h e country, can make immediate delivery from stock, MALLINCKRODT Mallinckrodt Chicago
· Cincinnati
•TRADEMARK
St.,
St.
ν Cleveland
NALYTICAL
CHEMICAL
L o u i s 7, M o . ·
·
Los A n g e l e s
Ε AG Ε NTS
WORKS
7 2 G o l d S t . , N e w Y o r k 8 , Ν . Υ. -Montreai
·
Philadelphia
·
San F r a n c i s c o