Test /
Cat. No. Evalu- CombiCheck, Confidence interval
Diluted and ready-to-use
Ready-to-use
Method
Test
ation Cat. No.
Spec. value
max.
standard solutions, CRM
standard
as
for the
working
Cat. No. concen- expanded
solution
standard
tolerance
tration
measurement Cat. No.
uncertainty
Phosphate 100616 PO
4
-P -
50.0 mg/l*
+ 5.0 mg/l
-
119898**
Phosphate 100673 PO
4
-P -
50.0 mg/l*
+ 5.0 mg/l
125047 4.00 mg/l P + 0.08 mg/l 119898**
125048 15.0 mg/l P + 0.4 mg/l
125049 75.0 mg/l P + 1.6 mg/l
Phosphate 114848 PO
4
-P 10, 114676 R-1: 0.80 mg/l + 0.08 mg/l -
119898**
R-2: 0.30 mg/l + 0.05 mg/l
Phosphate 100798 PO
4
-P -
30.0 mg/l*
+ 3.0 mg/l
-
119898**
Phosphate 114546 PO
4
-P -
15.0 mg/l*
+ 1.0 mg/l
-
119898**
Phosphate 114842 PO
4
-P -
15.0 mg/l*
+ 1.0 mg/l
-
119898**
Potassium 114562 K
-
25.0 mg/l
+ 4.0 mg/l
-
170230**
Potassium 100615 K
-
150 mg/l
+ 15 mg/l
-
170230**
Residual
hardness
114683 Ca
-
2.50 mg/l*
+ 0.30 mg/l -
119778**
Silicate 114794
SiO
2
-
5.00 mg/l*
+ 0.50 mg/l -
170236**
Silicate
100857 SiO
2
-
50.0 mg/l*
+ 5.0 mg/l
-
170236**
Silicate 101813
SiO
2
-
0.100 mg/l*
+ 0.010 mg/l -
170236**
Sodium
100885 Na
-
100 mg/l*
+ 10 mg/l
-
see 5.2.2
Sulfate
102532 SO
4
-
25.0 mg/l
+ 3.0 mg/l
-
119813**
Sulfate
114548 SO
4
10, 114676 R-1: 100 mg/l + 15 mg/l
125050 40 mg/l
+ 6 mg/l
119813**
R-2: 40 mg/l + 5 mg/l
125051 125 mg/l + 6 mg/l
Sulfate
100617 SO
4
10, 114676 R-1: 100 mg/l + 15 mg/l
125051 125 mg/l + 6 mg/l
119813**
R-2: 100 mg/l + 15 mg/l
125052 400 mg/l + 20 mg/l
Sulfate
114564 SO
4
20, 114675 R-1: 500 mg/l + 75 mg/l
125051 125 mg/l + 6 mg/l
119813**
R-2: 150 mg/l + 30 mg/l
125052 400 mg/l + 20 mg/l
125053 800 mg/l + 27 mg/l
Sulfate
101812 SO
4
-
5.0 mg/l
+ 0.5 mg/l
-
119813**
Sulfate
102537 SO
4
10, 114676 R-1: 100 mg/l + 15 mg/l
125050 40 mg/l
+ 6 mg/l
119813**
R-2: 40 mg/l + 5 mg/l
125051 125 mg/l + 6 mg/l
Sulfide
114779 S
-
0.75 mg/l*
+ 0.08 mg/l -
see 5.2.2
Sulfite
114394 SO
3
-
10.0 mg/l*
+ 1.5 mg/l
-
see 5.2.2
Sulfite
101746 SO
3
-
30.0 mg/l*
+ 1.0 mg/l
-
see 5.2.2
Surfactants
(anionic) 114697
MBAS
-
1.00 mg/l*
+ 0.20 mg/l -
see 5.2.2
Surfactants
(anionic) 102552
MBAS
-
1.00 mg/l*
+ 0.20 mg/l -
see 5.2.2
Surfactants
(cationic) 101764
-
1.00 mg/l*
+ 0.10 mg/l -
see 5.2.2
Surfactants
(nonionic) 101787
-
4.00 mg/l*
+ 0.40 mg/l -
see 5.2.2
Tin
114622 Sn
-
1.25 mg/l*
+ 0.13 mg/l -
170242**
TOC
114878 TOC
-
40.0 mg/l*
+ 3.0 mg/l
-
109017**
TOC
114879 TOC
-
400 mg/l*
+ 30 mg/l
-
109017**
Total
hardness 100961 Ca
-
75 mg/l*
+ 7 mg/l
-
see 5.2.2
Volatile org. acids
101763 HOAc -
1500 mg/l*
+ 80 mg/l
-
see 5.2.2
Volatile org. acids
101749 HOAc -
1500 mg/l*
+ 80 mg/l
-
see 5.2.2
* self prepared, recommended concentration
** 1000 mg/l analyte
Chapter 5.2 | Page 5 of 23
