Treatment S J’ H’
In situ (T0) 582 - 586 0.74 ± 0.02 4.72 ± 0.14
Heat (T2) 579 - 587 0.63 ± 0.004 4.04 ± 0.03
Ambient (T2) 580 - 585 0.62 ± 0.04 3.93 ± 0.24
Pre-treatment (T1) 578 - 585 0.55 ± 0.05 3.47 ± 0.32