If you are experiencing problems downloading PDF or HTML fulltext, our helpdesk recommend clearing your browser cache and trying again. If you need help in clearing your cache, please click here . Still need help? Email help@ingentaconnect.com

Design and Construction of a Low-Flow, Low-Power Torch for Inductively Coupled Plasma Spectrometry

$29.00 plus tax (Refund Policy)

Buy Article:


A detailed study of the importance of various spatial dimensions in an ICP torch is described. Of the various dimensions which were examined, the annular spacing between the coolant (outer) and plasma (flared) tube is the most critical for plasma stabilization at low argon coolant flows and applied radio-frequency powers. Similarly, the inner diameter of the aerosol injection tube was found to be important, with the value of 1.0 mm chosen for a compromise between low-power, low-flow capability and routine analysis of high-solids sample solutions. A constriction at the inlet of the coolant argon was found not to affect plasma stability greatly, but altered significantly the applied powers and coolant flows which were necessary for plasma ignition. With these and other torch dimensions optimized, it was found to be possible to ignite a plasma at a coolant flow of 5 L/min and an applied radio frequency power of 450 W. Continued operation of the plasma during analysis of real samples or during aspiration of a 1% NaCl solution was found to be possible alternatively at 500 W (rf power) and 3.5 L/min coolant argon or 125 W and 5.5 L/min, respectively.

Keywords: Emission spectroscopy; ICP; Instrumentation, ICP; Instrumentation-emission spectroscopy

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702824639105

Affiliations: 1: Department of Chemistry, Indiana University, Bloomington, Indiana 47405 2: Sherritt Gordon Mines Ltd., Sherritt Research Centre, Fort Saskatchewan, Alberta T8L 2P2, Canada

Publication date: November 1, 1982

More about this publication?
Related content



Share Content

Access Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content
Cookie Policy
Cookie Policy
ingentaconnect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more