Clinical Chemistry
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Clinical Chemistry 18: 1005-1008, 1972;
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Clinical Chemistry, Vol 18, 1005-1008, Copyright © 1972 by the American Association for Clinical Chemistry

Critical Evaluation of a New Flame Emission Analysis System, the "Klina Flame"

Richard J. Schlesinger 1, Raymond A. Lesonsky 1, and Robert Lottritz 1

1 Bio-Technics Laboratories, Inc., 1133 Crenshaw Blvd., Los Angeles, Calif. 90019.

Recently there have been several advances in instrumental methods for the flame emission analysis of electrolyte cations of clinical significance. Greater precision and increased ease of operation are among today’s clinical requirements. This study compares a new automated flame photometer, "Klina Flame" (Beckman Instruments) with a "Techtron-AA5" atomic absorption emission unit (Varian Instruments) and an "IL 143" flame system (Instrumentation Laboratory). Day-to-day variation between paired data over a three-month period showed comparable and explainable similarities and variations between the three instruments. Results of lithium determinations gave favorable comparison statistics. Long-term stability on all the systems were generally comparable. A comparison of manual vs. automatic modes of dilution with serum samples of various viscosities generally gave predictable variation for instruments of similar quality. The piston dilutor feature of the Klina system seems to prevent the variability seen at higher viscosities when the IL system is used, which has a peristaltic dilutor.


Key Words: sodium, potassium, lithium • "Techtron-AA5" • IL-143 • electrolyte cations • precision, stability, recovery

Submitted on May 19, 1972
Accepted on July 4, 1972






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Copyright © 1972 by the American Association for Clinical Chemistry.