Journal of Analytical Methods in Chemistry / 2017 / Article / Tab 1

Research Article

Spectrophotometric Method for the Determination of Atmospheric Cr Pollution as a Factor to Accelerated Corrosion

Table 1

Number of days required for the formation of corrosion products (rust) under different laboratory exposure conditions.

Experiment groupExposure conditions Number of days to rust
pH
3579

1Humid air1519NONO
2Humid air + Cr(VI)111535NO
3Humid air + SO29132531
4Humid air + Cr(VI) + SO29122131
5Humid air + Cr(VI) + SO2 + Fe+27152017

NO: not observed in 60 days.