Alkaninity-M, With Tablet - Tintometer AL250 Mode D'emploi

Methods
GB
0.0.0
Zero
Test
tA
RESULT
Notes:
1. The terms total Alkalinity, Alkalinity-m, m-Value and Alkalinity to pH 4.3 are identical.
2. For accurate results exactly 10 ml of water sample must be taken for the test.
3. Conversion table:
Acid demand to pH 4.3
1 mg/l CaCO
3
*Carbonate hardness (reference = Hydrogencarbonate-anions)
Example:
10 mg/l CaCO = 10 mg/l · 0.056 = 0.56 °dH
3
10 mg/l CaCO = 10 mg/l · 0.02 = 0.2 mmol/l
3
AL250_Cl-Br-pH-CyA-TA-CaH_2a 05/2011
Alkalinity-m with Tablet
5 – 200 mg/l
Fill a clean vial (24 mm Ø) with 10 ml of the water sample and
perform zero calibration (see "Operation").
Add one ALKA-M-PHOTOMETER tablet straight from the foil to the
10 ml water sample and crush the tablet using a clean stirring rod.
Close the vial tightly with the cap and swirl gently several times until
the tablet is dissolved.
Place the vial in the sample chamber making sure that the
are aligned.
Press the [ZERO/TEST] key.
The method symbol flashes for approx. 3 seconds.
The result is shown in the display in mg/l CaCO
Tolerance: ± 5% (full scale)
DIN 38 409 (K )
S4.3
0.02
German English
°dH* °eH*
0.056 0.07
marks
.
3
French
°fH*
0.1
35