Assure Positive Identification of Unknowns with
SADTLER SPECTRA... YOUR CHEMICAL FINGERPRINTS! Standard Reference Spectra Available: IR—80,000 UV — 2 8 . 0 0 0
NMR—10.000 DTA — 2 7 0 0
Compare these compounds: 9
4000
3S00
3000
forDescriptiveBrochures,Write:
2500
2000
S
1S00
1600
1400
1200
10
1000
12
800
IS
20
MO
30
40
400
ADTLER RESEARCH LABORATORIES, INC.
3316
SPRING
GARDEN
STREET · PHILADELPHIA · PA . 19104
A R E A C O D E 215 · 3 8 2 · 7 8 0 0
Circle No. 98 on Readers' Service Card
VOL. 4 1 , NO. 7, JUNE 1969
·
105 A
