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Test 3 BROMINE
Range 0 - 10.00 mg/l (ppm)
Method: DPD Colourless - Red
1
Rinse test tube with sample leaving a few drops in the tube.
2
Crush the
DPD No 1
tablet in two or three drops of the water sample until
the tablet is thoroughly crushed.
3
Add the 10ml test solution, mix and seal the tube with the cap.
4
Gently invert the tube to remove any bubbles from the inner walls of the
tube.
5
Take photometer reading.
Reagents: DPD No 1 Re-Order Code: AP 011
Test 4 OZONE
Range 0 - 2.00 mg/l (ppm)
Method: DPD
Colourless - Red
1
Rinse test tube with sample leaving a few drops in the tube.
2
Crush the
DPD No 4
tablet in two or three drops of the water sample until
the tablet is thoroughly crushed.
3
Add the 10ml test solution, mix and seal the tube with the cap.
4
Gently invert the tube to remove any bubbles from the inner walls of the
tube.
5
Take photometer reading.
NB: The ozone test also responds to chlorine and bromine. Pools using
'ozone with chlorine' treatment systems, or other combined treatments,
require a special testing procedure (see Section 5).
Reagents: DPD No 4 Re-Order Code: AP 056
Содержание Pooltest 25
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