Chimney holder and injection tube mount for use in atomic absorption and plasma spectroscopy
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A modified quartz element having plasma and auxiliary gas ports, a upper chimney mount, a unique chimney holder and injection tube mount, and a compression plug is disclosed. The chimney holder and injection tube mount includes a specially machined groove so that a unique, double O-ring seal between the mount and the quartz element may be developed. The injection tube mount also includes a specially designed bore for receiving two O-rings so that the injector tube is supported in and sealed with the mount only through the use of resilient O-rings.
Pennington, Dale H. (1993). Chimney holder and injection tube mount for use in atomic absorption and plasma spectroscopy. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from