this elution order was faorable in determining trace amounts of boron ,because of no interference of excess reagent ,compared to the case of a boron -chromotoropic acid chelate.

• 仅供参考：同硼-铬变酸螯合物检测方法相比，这种方法尤其适合检测痕量的硼，因为不会有过量试剂的干扰。