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研究了对马尿酸偶氮氯膦比色法用于植物、土壤中混合稀土元素总量测定时的影响因素 （分析波长、显色条件、工作曲线、干扰元素等）， 并探讨了排除干扰的方法。找出该方法的最佳分析条件， 使其具有更广泛的应用价值。
The influencing factors (wavelength analysis, color conditions, working curve, interference elements, etc.) in the determination of mixed rare earth elements in plants and soils were studied by using the chlorogenic acid bisphosphonate spectrophotometry. The effects of interference method. Find out the best analysis condition of the method and make it have more extensive application value.