Table 2 SEM/EDS data and expressed as normalized wt%. Numbers within brackets refer to layers in Fig. 7
S | Fe | Cu | Sn | Zn | SiO2 | Al2O3 | K2O | P2O5 | SO3 | Cl | FeO | CuO | SnO2 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bare alloy (1) | 91.0 | 6.4 | 2.6 | |||||||||||
Red corrosion layer (2) | 0.8 | 1.0 | 85.5 | 12.5 | ||||||||||
Green corrosion layer (3) | 0.2 | 0.3 | 18.1 | 0.1 | 0.5 | 55.8 | 25.1 | |||||||
Very thin green corrosion layer (4) | 1.6 | 0.9 | 0.2 | 0.3 | 23.5 | 2.2 | 0.5 | 70.3 | 0.6 | |||||
Copper sulfide particle | 21.4 | 0.2 | 78.4 | |||||||||||
Zinc sulfide particle | 33.1 | 0.3 | 4.4 | 62.2 | ||||||||||
Zinc sulfide particle | 32.9 | 0.6 | 5.7 | 0.3 | 60.5 | |||||||||
Zinc sulfide particle | 33.1 | 0.4 | 4.2 | 0.2 | 62.1 | |||||||||
Zinc sulfide particle | 34.1 | 0.5 | 4.9 | 60.6 | ||||||||||
Zinc sulfide particle | 33.6 | 0.4 | 4.0 | 62.0 |