我们曾将双波长和导数分光光度法用于矿石分析,在消除干扰、降低检出限方面显示出明显的优点,本文进一步研究了导数分光光度法在矿石分析中的应用。化探样品中钼的测定,国内几乎只有催化极谱一种方法。由于一般光度法的摩尔吸光系数小于2×10~5,不能满足化探样品测定灵敏度的要求,近年来曾有不少高灵敏测定钼的光度法出现,但均难应用于大批的矿石分析。本文研究了水杨基萤光酮(SAF)-溴化十 We have used dual-wavelength and derivative spectrophotometry for ore analysis, showing obvious advantages in eliminating interference and reducing the detection limit. This article further studies the application of derivative spectrophotometry in ore analysis. Determination of molybdenum in geochemical samples, almost a catalytic polarographic method. Since the molar extinction coefficient of general photometry is less than 2 × 10 ~ 5, the sensitivity of geochemical exploration samples can not be met. In recent years, there have been many highly sensitive determination of molybdenum photometry, but it is difficult to apply to a large number of ore analysis. In this paper, salicylfluorone (SAF) -brominated 10 was studied