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Test 14 SULPHATE
Range 0 - 200 mg/l (ppm)
Method: Barium Salt (Turbidity)
Clear - Cloudy
1
Fill test tube with sample to the 10 ml mark.
2
Add one
Sulphate Turb
tablet, crush and mix to dissolve. A cloudy
solution indicates the presence of sulphate.
3
Stand for five minutes then mix again.
4
Take photometer reading. Use the light cap whilst taking reading.
Reagents: Sulphate Turb Re-Order Code: AP 154
Test 15 CHLORIDE
Range 0 -
500
mg/l (ppm)
Method: Silver Nitrate (Turbidity)
Clear - Cloudy
1
Take a clean test tube. Using the Measuring Syringe (PT 361) add 1 ml
of pool water. Fill test tube to the 10 ml mark with deionised water.
2
Add one
Acidifying CD
tablet, crush and mix to dissolve.
3
Add one
Chloridol
tablet and allow to disintegrate for at least two
minutes. A cloudy solution indicates the presence of chloride.
4
Crush any remaining undissolved tablet, mix and then take photometer
reading. Use the light cap whilst taking reading.
Reagents: Acifiying CD and Chloridol Re-Order Code: AP 268
Test 16 TOTAL HARDNESS
Range 0 - 500 mg/l (ppm)
Method: Indicator
Pale Purple - Purple
1
Fill test tube with sample to the 10 ml mark.
2
Add one
Hardicol No 1
tablet, crush and mix to dissolve.
3
Add one
Hardicol No 2
tablet, crush and mix. Ensure all particles are
dissolved.
4
Stand for two minutes
5
Take photometer reading.
Reagents: Hardicol No 1 and No 2 Re-Order Code: AP 254
Содержание Pooltest 25
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