Inhibition of Copper Pitting Corrosion in Aggressive Potable Waters : Table 2

Table 2: Experimental conditions for large- and small-scale tests.


Test variable	Water quality
Test variable	Large-scale tests	Small-scale tests

Control (values as mg/L)	pH 9.2, free chlorine (as Cl₂) = 4, = 17, = 16, = 20, = 13, alkalinity = 34 (as )
Free chlorine adjusted mg/L (as Cl₂)	0.4	0.5, 1, 2, 3, 8
Orthophosphate added mg/L (as P)	0.1, 1	0.015, 0.025, 0.1, 0.25, 0.5, 1
Silica added mg/L (as Si)	0.5, 5	0.1, 0.5, 2.5, 10
Organic matter added mg/L (as TOC)	0.01^A, 0.1^A	0.005^A, 0.1^A, 0.05^A, 0.05^B, 0.05^C
Alkalinity adjusted mg/L (as )	10, 150	None

^ANOM, ^Bozonated NOM, ^Csodium acetate/d-glucose.