Results:
Table 1: Mass of Nails
Before and After Corrosion Experiment
|
Nail Number
|
Mass of Nails Before
|
Mass of Nails After
|
Mass Loss Before and After
|
|
1
|
12.46g
|
12.44g
|
0.02g
|
|
2
|
12.52g
|
12.47g
|
0.05g
|
|
3
|
12.47g
|
12.40g
|
0.07g
|
|
4
|
12.46g
|
12.38g
|
0.08g
|
|
5
|
12.49g
|
12.35g
|
0.14g
|
|
6
|
12.47g
|
12.32g
|
0.15g
|
|
7
|
12.23g
|
12.03g
|
0.20g
|
|
8
|
12.29g
|
12.05g
|
0.24g
|
|
9
|
8.63g
|
8.60g
|
0.03g
|
|
10
|
8.74g
|
8.73g
|
0.01g
|
|
11
|
8.82g
|
8.80g
|
0.02g
|
|
12
|
8.66g
|
8.62g
|
0.04g
|
|
13
|
8.79g
|
8.75g
|
0.04g
|
|
14
|
8.93g
|
8.86g
|
0.07g
|
|
15
|
8.73g
|
8.67g
|
0.06g
|
|
16
|
8.80g
|
8.75g
|
0.05g
|
Table 2: Average Mass Loss for
Solutions
|
Concentration of Solution
|
Average Mass Loss for Un-Galvanised
(Nails 1-8) |
Average Mass Loss for Galvanised
(Nails 9-16) |
|
Distilled Water
|
0.035g
|
0.020g
|
|
15000ppm
|
0.075g
|
0.030g
|
|
30000ppm
|
0.145g
|
0.055g
|
|
45000ppm
|
0.22g
|
0.055g
|
Table 3: Amount of
Precipitate Produced
|
Nail Number
|
Amount of Precipitate Produced
|
|
1
|
0.07
|
|
2
|
0.06
|
|
3
|
0.60
|
|
4
|
0.10
|
|
5
|
0.16
|
|
6
|
0.15
|
|
7
|
0.18
|
|
8
|
0.17
|
|
9
|
0.02
|
|
10
|
0.02
|
|
11
|
0.07
|
|
12
|
0.06
|
|
13
|
0.08
|
|
14
|
0.09
|
|
15
|
0.13
|
|
16
|
0.12
|
Table 4: Average Amount of
Precipitate Formed
|
Concentration of Solution
|
Average Amount of Precipitate Formed for Un-Galvanised
(Nails 1-8) |
Average Amount of Precipitate Formed for Galvanised
(Nails 9-16) |
|
Distilled Water
|
0.065g
|
0.020g
|
|
15000ppm
|
0.100g
|
0.065g
|
|
30000ppm
|
0.155g
|
0.085g
|
|
45000ppm
|
0.175g
|
0.125g
|
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