Table 1

 Weight of euro coins before and after incubating with HCI

Coins (€)Weight before incubating (g)Weight after incubating (g)Difference (g)Weight loss (%)
0.01new2.312.240.073.03
used2.312.300.010.43
destroyed2.312.290.020.87
0.02new3.063.020.041.31
used3.052.880.175.57
destroyed3.012.850.165.32
0.05new3.953.900.051.27
used3.933.900.030.76
destroyed3.903.800.102.56
0.10new4.093.920.174.16
used4.093.850.245.87
destroyed4.093.890.204.89
0.20new5.775.470.305.20
used5.755.440.315.39
destroyed5.695.440.254.39
0.50new7.807.590.212.69
used7.777.300.476.05
destroyed7.717.510.202.59
1.00new7.537.080.455.98
used7.537.070.466.11
destroyed7.517.030.486.39
2.00new8.518.010.505.88
used8.507.960.546.35
destroyed8.467.970.495.79