finest NMU SAMPLE TUBE in the world The Wilmad Royal Imperial! This line of NMR sample tubes makes it possible for you to achieve consistent maximum performance in any spectrometer, but particularly in the higher frequency systems in the range of 100 to 300 MHz. Buy your NMR sample tubes from the same supplier as the manufacturer of your spectrometer does . . . Wilmad! Highly polished for accurate spectral resolution, our Royal Imperial 5 mm. O.D. sample tubes have camber and wall thickness variation tolerances previously unheard of in the industry. Check these tolerances in the box below and send for complete details right away.
CAMBER (along 7 " length)
Cat. No.
MAX. VARIATION IN WALL THICKNESS (I.D. TO O.D.)
525-PP
0.001"
±0.001"
526-PP
0.0005"
±0.001"
527-PP
0.001"
±0.0005"
528-PP
0.0005"
±0.0005"
It's time
to standardize
on
Wilmad!
WILMAD GLASS COMPANY, INC. Pioneer in Glass for NMR
Spectroscopy
U.S. Route 40 & Oak Rd., Buena, N. J. 08310
Phone: 609/697-3000 Circle No. 103 on Readers' Service Card
VOL 40, NO. 12, OCTOBER 1968
·
103 A
