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751型分光光度计的光源有氢灯、钨灯两种,它们的位置变动将引起波长示值误差。因此光源灯的安装与波长调校是仪器维修及分析工作者的一项繁复的工作。根据我们的实践,适当改变说明书所述的操作程序和方法,操作就较为简便,容易满足要求,并适用于国内外同类分光光度计光源灯的安装与调校。具体操作分为三步进行,现简述如下(与说明书上相同的,原則上不予重达)。一、安装钨灯。选用丝直均匀的钨灯,灯
751 spectrophotometer light source has two kinds of hydrogen lamp, tungsten lamp, their location changes will cause wave length error. Therefore, the installation of light source and wavelength calibration instrument repair and analysis of workers is a cumbersome work. According to our practice, appropriate changes to the operating procedures and methods described in the manual, the operation is relatively simple and easy to meet the requirements, and applies to the installation and adjustment of similar spectrophotometer light source lamp at home and abroad. The specific operation is divided into three steps, are summarized as follows (with the same instructions, in principle, not to be re-reached). First, install tungsten lamp. Selection of straight wire tungsten lights, lights