离子色谱法在石化工业废水分析中的应用

用IC-6离子色谱分析仪，研究石化工业废水中阴离子的测定技术，并首次建立炼油、化肥外排废水中F^-、Cl^-、NO2^-、PO4^3-、NO3^-、SO4^2-等阴离子含量测定的岗位。以含0．0054mol／L碳酸氢钠和0．0050mol／L碳酸钠为淋洗液，在电流70mA、流速1．5mL／min、泵压0～42MPa的条件下，测得各阴离子的相关系数均大于0．995、相对标准偏差（RSD）〈5．00％、加标回收率为95％～116％。

ION CHROMATOGRAPHY APPLIED IN ANALYSIS OF WASTE WATER OF PETROCHEMICAL INDUSTRY

By use of IC-6 ion-chromatographic analyzer studies the measurement technology of anion in petrochemical industry waste water, and first develop a measurement method for anion content of (F~- , Cl~- , NO~-_2, PO~ 3-_4, NO~-_3, SO~ 2-_4)in waste drain out water from oil-refining units and chemical fertilizer plants. Take 0.0054 mol/L of bicarbonate sodium and 0.0050 mol/L of sodium carbonate as rinse liquid, under the condition of current 70 mA, 1.5 mL/min of current velocity and 0~ 42 MPa pump pressure, measures the correlation coefficient of each anion is larger than 0.995 and the relative standard deviation ( RSD ) is<5.00%, add to mark recovery rate is 95%-116%.