in this task the author determines the oil in water with three-wavelength infrared photometric method and makes a study on improvement of methods aiming at gb/t16488-1996 mainly.
本研究选用三波长红外分光光度法监测水体中油类物质,主要针对gb/t16488-1996方法的改进研究。
a new three wavelength photometric method has been developed to determine the total content of rare earth oxide directly with tribromoarsenazo as the chromogenic reagent.
研究了以三溴偶氮胂作显色剂,用三波长光度法直接测定铝矿石中稀土氧化物总量的新方法。
how to analyze oil in sediment by infrared photometric method and preferably solve the problem of standard oil is described;
运用红外分光光度法测定沉积物样品中油类,较好地解决了标準油品的问题;
a flame emission photometric method was described for quantitative analysis in serum lithium.
采用火焰发射光谱法对人血清锂的定量测定进行了研究。
describes the changing of the classical perchloric acid dehydration gravimetric method for determining silicon into the molybdenum blue photometric method to fast determine the content of silicon.
将经典的高氯酸脱水重量法测定硅改为钼蓝光度法快速分析硅含量。