Electro-Chemical Devices (ECD) CA6 Hardness Analyzer - Manual (Page 78)

11.3 TEST DATA
CA6 Analyzer: Hardness
Serial Number: CL428
Cell diameter: 16mm
Loop: none
LED: 572 nm
Number of Reagents: 2
Range (4-20 mA):
00.0 – 1500 ppb
Calibration Standard: 1000 ppb
Calibration Factor:
3257
Blank: 0.0380
Port#1: Sample
Port#2: De-ionized water or Standard Solution (1000 ppb CAL Sol’n)
Blank Test
H20 Reference Reading Absorbance LED
1 9.4027 8.6348 0.0370 5.40
2 9.3934 8.6441 0.0361 5.40
3 9.3900 8.5875 0.0388 5.40
4 9.3746 8.5971 0.0376 5.40
5 9.3766 8.5851 0.0383 5.40
Calibration Cycle using Standard Solution
Std 1000 ppb
Reference Reading Abs LED Cal Factor
1 9.2499 4.18 0.3450 5.41 3257
2 9.2529 4.12 0.3517 5.41 3188
3 9.2705 4.13 0.3508 5.41 3197
4 9.2890 4.21 0.3435 5.41 3273
5 9.2732 4.20 0.3441 5.41 3267
Reagents Dosing Test
Reagent 1 (ml) Reagent 2 (ml)
15 sec. 0.924 0.882
60 sec. 3.668 3.525
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