Ionics Instruments 2004 Page 9-25 DLM 30007-08 Rev. A
Verification Worksheet
Name of Analyst Date
Company Name
Analyzer Serial Number
Firmware Version
TC Calibration Constant
Blank TC (Average)
Certified TOC Concentration of standard
Adjusted Standard Concentration
+ =
Measured TC Reading (Average)
To Pass, the measured TC value for the TC/TOC Standard must be within ±3% of the adjusted
concentration of the Standard and the CV value must be less than 3%.
F Pass F Fail
Calculation of New TC Calibration Constant (if applicable)
Initial TC Calibration Constant
verage TC value from last three runs
New TC
CALIB.
CONST.
Initial TC
CALIB.
CONST.
Standard TOC Conc. + Blank Average
*
=
New TC Calibration Constant
Standard Deviation
Relative Standard Deviation (CV)
a
set in
Measurements
of
umber
Average
Result
of Sum
=
=
=
∑
=
n
ξ
1
2
)(
Deviation Standard
−
∑
−
=
n
xx
100 x
Average
Deviation Standard
(RSD)Deviation Standard Relative =