Table 1.
Experimental Conditions for Microprofiling and 2D Mapping of Galvanic Joint Coupons in Synthetic Drinking Watera
| experimental group | flow condition | pH | free chlorine (mg of Cl2 L−1) | DIC (mg of C L−1) |
|---|---|---|---|---|
| Ex 1, control | Ex 1F, flow | 7 | 2 | 10 |
| Ex 1S, stagnation | 7 | 2 | 10 | |
| Ex 2, DIC | Ex 2F, flow | 7 | 2 | 50 |
| Ex 2S, stagnation | 7 | 2 | 50 | |
| Ex 3, pH | Ex 3F, flow | 9 | 2 | 10 |
| Ex 3S, stagnation | 9 | 2 | 10 | |
| Ex 4, pH + DIC | Ex 4F, flow | 9 | 2 | 50 |
| Ex 4S, stagnation | 9 | 2 | 50 | |
| Ex 5, non-continuous stagnationb | Ex 5F, stagnation | 7 | 2 | 10 |
All conditions include 100 mg of Cl− L−1 and 100 mg of SO42− L−1 to provide background ionic strength with a chloride/sulfate mass ratio (CSMR) of 1:1.
No previous flow condition.