3 test data – Electro-Chemical Devices (ECD) CA6 Hardness Analyzer User 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
67