20
Stage 3
pH and conductivity requirements
(For atmosphere and temperature equilibrated samples only)
pH
5.0
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
6.0
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7.0
Conductivity
µS/cm
4.7
4.1
3.6
3.3
3.0
2.8
2.6
2.5
2.4
2.4
2.4
2.4
2.5
2.4
2.3
2.2
2.1
2.6
3.1
3.8
4.6