根据一机部产品质量工作计划,分析仪器行业1977年度对单光光电比色计进行了测试评比工作。通过评比开展比、学、赶、帮、超活动,进一步提高比色计产品的质量,以满足工农业生产和科学实验的需要。由于比色计具有结构简单,操作方便,价钱便宜,分析时间短等优点,使它的应用范围越来越广。目前在农村公社的卫生院、农业试 According to a department of product quality work plan, the instrument industry in 1977 for a single photoelectric colorimeter test appraisal work. Carry out the ratio, learn, catch, help, super activities through appraisal, and further improve the quality of the colorimeter products to meet the needs of industrial and agricultural production and scientific experiments. As the colorimeter has the advantages of simple structure, convenient operation, low price and short analysis time, the application range of the colorimeter is wider and wider. Currently in rural commune hospitals, agriculture trial