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提出了一种测试磷矿粉中P2O5成分的激光吸收光谱法，该方法具有实时、在线的特点，能较好地满足磷酸盐工业对于P含量分析高精度的要求．
A laser absorption spectroscopy method for testing the composition of P2O5 in phosphate rock was proposed. The method has the characteristics of real-time and on-line, which can meet the high-precision requirement of P content analysis in phosphate industry.