Who else in the pH business

Π 4 A · ANALYTICAL CHEMISTRY

holds down 100,000 jobs...

Beckman is pH. I N S T R U M E N T S , I N C .

SCIENTIFIC INSTRUMENTS DIVISION

FULL6RTON, CALIFORNIA · 92634

INTERNATIONAL SUBSl DIARIES: GENEVA; MUNICH; GLENROTHES, SCOTLAND; TOKYO; PARIS; CAPETOWN; LONDON; MEXICO ;CITY

Circle No. 195 on Readers' Service Card

VOL. 39, NO. 13, NOVEMBER 1967 · 1 1 5 A

B e c k m a n ®