4 component internal std at 1700 psi, 1ppm. Incl. Bromochloromethane,1,4 Difluorobenzene, Chlorobenzene-d5, & Bromofluorobenzene,6A Cylinder. SHIPPING CHARGES APPLY FOR DROP SHIP! NO RETURNS …5-6 WEEK LEAD TIME.
Entech offers an Internal Standard for TO-14a and TO-15 Method applications.
STDS