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PHOENIX PRECISION INSTRUMENT CO

A really serviceable collection of11,950 usable organic compounds. •. Indexed by ASTM-IBM cards—5 Indices—Specfinder. •. Accuracy improves the...
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Locate and Interpret

SPECTROGRAMS FASTER...EASIER WITH

SADTLER... Phoenix Precision Absorption Cells

SPECFINDER • Reduces time for locating, examining and verifying Spectra to 2 or 3 minutes • Reduces need and expense of mechanical sorter • Answers inadequacies of shaker and machine sorter systems

Special cells designed built to specification.

C O M M E R C I A L SPECTRA • Twenty five groups of usable materials like Surface Active Agents, Rosins, Plasticizers, Polyols, Soaps, Fatty Oils, Drying Oils, Waxes, Polymers and Pigments and Dyes.

Circle No. 6 A-1 on Readers' Service Card, page 83 A

·

5 SADTLER INDICES • Alphabetical—Chemical Classes—Empirical Formula • Numerical—Uses, Alphabetical

A v a i l a b l e in pyrex, quartz, corex, and optical glass. Fab­ ricated in a wide variety of shapes and sizes. Rigid tolerances held, optically and dimensionally. Demountable type cells also available . . . . and

PHOENIX PRECISION INSTRUMENT CO. 3803-05 N. 5th St., Philadelphia 40, Pa.

6 A

S T A N D A R D SPECTRA—MIDGET EDITION • A really serviceablecollection of 11,950 usableorganic compounds • Indexed by ASTM-IBM cards—5 Indices—Specfinder • Accuracy improves the efficiency of instruments

ANALYTICAL CHEMISTRY

SADTLER SERVICES

SADTLER RESEARCH LABORATORIES 1517 VINE STREET LOcust 4-0835 PHILA. 2, PA.

Circle No. 6 A-2 on Readers' Service Card, page 93 A