chemical321
Chemical
- Mar 29, 2011
- 22
is that true that probe of PH meter(after reading the PH) put in KCl solution before the next reading? or it is wrong method.
we have problem and must calibrate the PH meter after short period and i think it is may be from this operation.
we have problem and must calibrate the PH meter after short period and i think it is may be from this operation.