Earlier research indicates the color of Blood Falls is due to oxidized iron, but how the iron got to the surface of the glacier remained a mystery.
早期研究证明"红色河流“的颜色是由于氧化铁导致，但是铁如何到了冰川表面这仍然是个迷。
2
Ferric chloride solution constantly scouring the surface of stainless steel plate, the solution of ferric ion rapidly oxidized stainless steel plate, stainless steel plate was etched on the go.
三氯化铁溶液不断地冲刷不锈钢板的表面，溶液中的三价铁离子快速氧化不锈钢板，不锈钢板就被蚀刻下去了。
3
Formation of a substantial uniform oxidized corrosion resistant surface or film is the result of passivation.