Chapter 5
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Orion AQUAfast Reagent Chemistry Instructions for Orion AquaMate
68
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Orion AquaMate Spectrophotometer User Manual
Thermo Scientific
AC3072 Chlorine (Total) High Range Tablet Test
KI / Acid Method
5 – 200 mg/l Cl
2
1.
Load and run the AC3072 method.
2.
Fill a clean AQUAfast 16 mm round vial, Cat. No. AC2V16, with 10 ml of sample. Close the
vial tightly with the cap. Wipe the exterior of the vial.
3.
Place the vial into the holder in the sample chamber and close the chamber door.
4.
Press the Measure Blank function key to measure the blank.
5.
Open the sample chamber door and remove the vial from the holder.
6.
Add one Chlorine HR (KI) Tablet straight from the foil into the vial. Crush the tablet with a
clean stir rod.
7.
Add one Acidifying GP Tablet straight from the foil into the same vial. Crush the tablet with
a clean stir rod.
8.
Close the vial tightly with the cap and swirl or invert several times until the tablets are
dissolved. Wipe the exterior of the vial.
9.
Place the vial into the holder in the sample chamber and close the chamber door.
10.
Press the Measure Sample function key to display the result in mg/l chlorine.
Notes:
•
Oxidizing agents interfere as they react in the same way as chlorine.