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BT－224半自动生化分析仪是意大利九十年代新产品。我们主要参照国家标准UDC［1］（下称“国标”）和NCCLS仪器精密度测试文件方法［2］，对其性能进行了测试评价。1实验及结果1．1线性1．1．1线性误差用两种系列标准液，在指定波长下测定吸光度（A），计算线性误差Δλ％。计
BT-224 semi-automatic biochemical analyzer is Italy’s new product in the 1990s. We mainly refer to the national standard UDC [1] (hereinafter referred to as “national standard”) and the NCCLS instrument precision test file method [2] to evaluate its performance. 1 Experiments and results 1.1 Linearity 1.1.1 Linearity The absorbance (A) was measured at the specified wavelength using two series of standard solutions, and the linearity error Δλ% was calculated. meter