Xylem ProLab 4000 - Manual (Page 135)

ProLab 4000 Ion concentration
135 ba75646e03 12/2012
Measuring
6 In the Sample register, enter the following values:
 the volume of the sample (Sample volume)
 the volume of the ISA/TISAB solution (ISA/TISAB volume)
 the volume of the blank value solution (Blank value volume)
 the concentration of the blank value solution (Blank value
conc.).
7 Use [Dosing] to automatically add the adjusted volume of the
ISA/TISAB solution (ISA/TISAB volume) and the blank value
volume (standard volume).
or
If the burette control is inactive:
Manually add the adjusted volume of the ISA/TISAB solution
(ISA/TISAB volume) and the blank value volume (standard vol-
ume).
8 Thoroughly rinse the electrode with deionized water.