CHEMISTRY PARAMETERSDOE-HDBK-1015/2-93Reactor Water ChemistryCH-03Rev. 0Page 30SummaryThe important information in this chapter is summarized below.Chemistry Parameters SummaryTable 1 provides a summary of the parameters, why they are controlled, and themethods of control.The following abnormal chemistry conditions are discussed:Injection of air will cause the hydrogen inventory to become depleted, whichin turn can lead to a pH swing towards the acidic end. This reduced pHleads to a loosened corrosion film hence a crud burst. The crud burst causeshigher radiation levels and an increase in conductivity.Fuel element failure allows large amounts of fission products a possiblerelease path to the reactor coolant. This could lead to a lowered ionexchange efficiency.Resin overheating results in the decomposition of the resin. The productsof the decomposition can seep into the reactor coolant and affect thechemistry in several ways. A few of the common products and theirresulting influence on the chemistry is discussed.
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