To reduce the determining error of micro amount of arsenic, a method testing micro amount of arsenic with coulomb titration method was introduced.
为了减小微量砷测定中的误差，介绍了用库仑滴定法测量微量砷的一种方法。
The endpoint error formula which takes the form of Ringbom's error formula and involves the effect of the precipitation indicator in the precipitation titration has been derived.
在考虑了沉淀指示剂的影响下，推导出了以林邦误差公式形式表示的沉淀滴定终点误差的计算公式。
The formula of final error in the oxidant reduction titration is deduced according to the principle that the inconsistency of titrating final and chemical calculating point leads to the final error.
根据滴定终点与化学计量点不一致而导致终点误差这一原理，推导出氧化还原滴定的终点误差公式。
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