MALLINCKRODT CHEMICAL WORKS

S°t>IUM HYDROXIDE. Purified Scales. 1 LB. MALLINCKRODT. 81 YEARS OF SERVICE TO CHEMICAL USERS. MALLINCKRODT STREET, ST. LOUIS 7, MO...
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V O L U M E 20, N O . 5, MAY 1 9 4 8

13 A

for Nitrogen • Mil; Β

S

Determinations



Cjf&&ta(r(di,

°0IUM HYDROXY Purified Scales

* *

S

° D I U M SULFATE ANHYDROUS Low Nitrogen

JST

1 LB.

SSSoSrSSft^e

1LB. §ï?Ci«oOTCiraiic*tVo*

MALLINCKRODT

CHEMICAL WORKS

81 YEARS OF SERVICE TO CHEMICAL USERS

UNIFORM

DEPENDABLE

PURITY

MALLINCKRODT STREET, ST. LOUIS 7, MO. « 72 GOLD STREET, NEW YORK 8, Ν. Υ. CHICAGO



CINCINNATI



CLEVELAND



LOS ANGELES

.

MONTREAL



PHILADELPHIA



SAN FRANCISCO