An early hypothesis by Chakraborti holds that the arsenic is associated with iron pyrites and enters the aquifers by an oxidation process.
An early hypothesis by Chakraborti holds that the arsenic is associated with iron pyrites and enters the aquifers by an oxidation process.
加卡波狄较早提出的一个假说认为，砷与黄铁矿结合并透过氧化作用进入含水层。