Importance

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Abstract

An improved cuvette array for a centrifugal analyzer is disclosed. The array is conventionally formed from upper and lower discs of flexible thermoplastic material, in which the lower disc is formed with a plurality of compartments circumferentially spaced about a first central hub, and the upper disc is bonded to the outer periphery of the lower disc and closes an outer peripheral portion of the compartments. The array is improved by forming the upper disc with a central portion that includes a second central hub positioned above the first central hub, together with an intermediate web that bridges the second central hub to the outer peripheral portion of the upper disc so as to close off the inner peripheral portion of the compartments. The intermediate web portion may be joined to the outer peripheral portion of the upper disc by a tearible score line to permit the central portion of the upper disc to be entirely removed.

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First Claim