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Clinical Chemistry 24: 2125-2131, 1978;
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Clinical Chemistry, Vol 24, 2125-2131, Copyright © 1978 by American Association for Clinical Chemistry

Evaluation of a new multichannel analyzer, "Astra-8"

PR Finley, RJ Williams, DA Lichti and AC Thies

We evaluated a new multiple-channel chemistry analyzer, the Beckman "Astra-8," which is controlled by a microprocessor with 52K bytes of memory. The instrument we tested performed the following tests: Na, K, CO2, chloride, urea nitrogen, glucose, and creatinine. We compared the Astra-8 to a continuous-flow (SMA 6/60) and a discrete (Du Pont aca, urea nitrogen only) analyzer. The Astra-8 demonstrated excellent precision, linearity, accuracy, analytical recovery, lack of interference, ease of operation, and satisfactory comparison to values obtained by the comparison methods.




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