A130/131
I
26
Preparation of Water Hardness Standard Solution
(100 mmol/L)
2.1 Half fill a 1 liter volumetric flask with distilled water and add 14.7
grams of analytical grade calcium chloride (CaCl
2
•
2H
2
O) reagent.
2.2 Swirl the volumetric flask gently to dissolve the reagent and fill
to the mark with distilled water.
2.3 Cap and upend the volumetric flask several times to mix the
solution.
Optional Accessories
Ion Selective Electrodes
Order Code
Description
Range
ISE-NH4
Ammonium (NH
4
+
)
0.1 to 18000 ppm
ISE-Br
Bromide (Br
-
)
0.4 to 81000 ppm
ISE-Cd
Cadmium (Cd
2+
)
0.1 to 11200 ppm
ISE-Ca
Calcium (Ca
2+
)
0.02 to 40100 ppm
ISE-Cl
Chloride (Cl
-
)
1 to 35000 ppm
ISE-Cu
Cupric (Cu
2+
)
0.06 to 6400 ppm
ISE-CN
Cyanide (CN
-
)
0.03 to 260 ppm
ISE-F
Fluoride (F
-
)
0.02 to 1900 ppm
ISE-I
Iodide (I
-
)
0.06 to 127000 ppm
ISE-Pb
Lead (Pb
2+
)
0.2 to 20800 ppm
ISE-NO3
Nitrate (NO
3
-
)
0.4 to 62000 ppm
ISE-K
Potassium (K
+
)
0.04 to 39000 ppm
ISE-Ag
Silver (Ag
+
)
0.01 to 107900 ppm
ISE-Na
Sodium (Na
+
)
0.002 to 69000 ppm
ISE-S
Sulfide (S
2-
)
0.003 to 32000 ppm
ISE-NH3
Ammonia (NH
3
)
0.01 to 17000 ppm
ISE-WH
Water hardness
0.05 to 200 mmol/L
Standard Solutions
Order Code
Description
Volume
ION-NH4
1000 ppm ammonium standard
480 ml
ION-Br
1000 ppm bromide standard
480 ml
ION-Cd
1000 ppm cadmium standard
480 ml
ION-Ca
1000 ppm calcium standard
480 ml
ION-Cl
1000 ppm chloride standard
480 ml
ION-Cu
1000 ppm cupric standard
480 ml
ION-F
1000 ppm fluoride standard
480 ml
ION-I
1000 ppm iodide standard
480 ml
ION-Pb
1000 ppm lead standard
480 ml
ION-NO3
1000 ppm nitrate standard
480 ml
ION-K
1000 ppm potassium standard
480 ml
ION-Ag
1000 ppm silver standard
480 ml
ION-Na
1000 ppm sodium standard
480 ml
ION-WH
100 mmol/L water hardness standard 480 ml
Ionic Strength Adjusters
Order Code
Description
Volume
ISA-NH4
Ammonium (NH
4
+
)
480 ml
ISA-Br
Bromide (Br
-
)
480 ml
ISA-Cd
Cadmium (Cd
2+
)
480 ml
ISA-Ca
Calcium (Ca
2+
)
480 ml
ISA-Cl
Chloride (Cl
-
)
480 ml
ISA-Cu
Cupric (Cu
2+
)
480 ml
ISA-CN
Cyanide (CN
-
)
480 ml
ISA-F
Fluoride (F
-
)
480 ml
ISA-I
Iodide (I
-
)
480 ml
ISA-Pb
Lead (Pb
2+
)
480 ml
ISA-NO3
Nitrate (NO
3
-
)
480 ml
ISA-K
Potassium (K
+
)
480 ml
ISA-Ag
Silver (Ag
+
)
480 ml
ISA-Na
Sodium (Na
+
)
480 ml
ISA-NH3
Ammonia (NH
3
)
480 ml
ISA-WH
Water hardness
480 ml
Filling Solution
Order Code
Description
FS-NH3
Filling solution for ammonia electrode, 480 ml
Temperature Probe
Order Code
Description
TP-10K
3.5 mm jack plug, 1 m (3.3 ft) cable
Communication and Power Supply
Order Code
Description
USB-2303B
USB connector A to B, 1 m (3.3 ft) cable
DCPA-12V
12V DC power adapter, european standard plug
