Hi Bill,
We use capilries 1/16 inch OD , 0.007 inch ID and 24 inches long
from SUPELCO, INC., Supelco Park, Bellefonte, PA 16823-0048.
Stan
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Professor Dr. Stanislaw Halas
Mass Spectrometry Laboratory
Maria Curie - Sklodowska University
20-031 Lublin, POLAND
tel: (48 81) 537 6275 fax: (48 81) 533 3669