In view of the detrimental effect of mercury and chromium in determination of iron by means of dichromatetitration, a new method was proposed containing no mercury and chromium.
针对重铬酸钾法测定铁含量中汞和铬的有害影响,介绍了一种无汞无铬测定法。
2
In accordance with ferrous ammonium sulfate in water samples to calculate the amount of material to restore the volume of oxygen consumption, which was potassium dichromatetitration reflux.