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Boiler Water TestKit
Boilerwater test kit for measuring Chloride, P-Alkalinity and pH in marine boiler water systems
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Some reagents required for tests shown in this booklet are classed as hazardous and as such, a minimum protection of gloves (rubber or plastic) and safety goggles/spectacles or facemask MUST BE WORN.
In addition please note and observe the Risk and Safety phrases on each reagent container and follow handling guidelines as instructed.
GENERAL NOTES
- Avoid contact with skin or eyes
- In case of contact with skin or eyes rinse immediately with plenty of running tap water, and seek medical attention
- Seek attention if irritation persists
- In case of ingestion, wash the mouth out thoroughly with water, try to vomit and seek medical attention
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P-Alkalinity
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Take 20 ml of cold cooling water sample with the 20 ml syringe. Spray the 20 ml in the clean test jar.
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Add 4 drops of Reagent PA1. The sample will turn pink. In case the sample does not colour pink, the reading is zero.
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Add drop by drop Reagent PA2, until the sample decolours. Count the numbers of drops used.
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Each drop is equivalent to 40 mg/l or 40 ppm P-Alkalinity expressed as CaCO3
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Retain the sample after the alkalinity test, as this sample can be used for the Chloride test.
P-Alkalinity Reference Drops of PA2 Reagent P-Alkalinity as mg/l CaCO3 Notes 1 40 ← Low P-Alkalinity, increase product dosage to achieve 200 mg/l P-Alkalinity 2 80 3 120 ← Correct P-Alkalinity 4 160 5 200 6 240 7 280 8 320 ← Reduce P-Alkalinity by increased Top and Bottom blowdown 9 360 10 400 Chloride Test
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Take the sample that is first used for the P-alkalinity test.
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Add 12 drops of Reagent BC1. The sample will turn orange / yellow.
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Add drop by drop Reagent BC2, until a turbid dark orange to brown colour appears. Count the numbers of drops used.
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Each drop is equivalent to 20 mg/l or 20 ppm chlorides.
Chloride Reference Drops of BC2 Reagent Chloride as mg/l Cl- Notes 1 20 Maximum chloride levels: 2 40 3 60 4 80 5 100 ← Medium pressure boilers: 100 mg/l 6 120 7 140 8 160 9 180 10 200 11 220 12 240 13 260 14 280 15 300 ← Low pressure boilers: 300 mg/l 16 320 17 340 18 360 19 380 20 400 In case the chloride level is too high, reduce the amount of chlorides by blowdown.
1 mg/l is 1 ppmCondensate pH Test (1.0 - 14.0)
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Take 50 ml of cold coolingwater sample in the clean test jar.
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Dip test strip for 1 second in the sample.
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Shake off excess sample solution.
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Compare with colour scale and read off the corresponding pH value.
Condensate pH Test (1.0–14.0) pH value Status <7.0 Corrosive See fault finding chart7.5 8.0 Slightly corrosive 8.5 9.0 Non corrosive 9.5 Well treated 10.0 10.5 Corrosive on copper 11.0 11.5 See fault finding chart 12.0 12.5 Corrosive on copper and iron 13.0 13.5 14.0 -
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Fault Finding Chart Fault Finding Chart Cause(s) Solution(s) Chlorides below 20 ppm Boiler newly filled with demineralized or evaporation
waterBoiler water has to concentrate, will take several days High blowdown Check blowdown valves for leakages Chlorides too high Low quality feed water Only use demineralized or evaporated water Check evaporator Sea cooling water leakage Search for leakages, for example at the condenser P-Alkalinity too low Boiler newly filled with demineralized or evaporation
waterBoiler water has to concentrate, will take several days Low Caretreat 3 Boiler dosage Check dosing pump/increase dosage P-Alkalinity too high Low quality feed water Only use demineralized or evaporated waterDo NOT use shore water High Caretreat 3 Boiler dosage Check dosing pump/decrease dosage Low blowdown Increase blowdown, check for blocked blowdown valves pH condensate too low Low hot well temperatureIncrease hot well temperature to 80˚CLow Caretreat 4 Boiler dosage Check dosing pump/increase dosage pH condensate too high High chloride level in boilerSee: chlorides far too highP-Alkalinity too high See: P-Alkalinity too high Carry over, causing wet steam Increase blowdown, check for blocked blowdown valves -
Partlist Boilerwater Testkit Partlist Boilerwater Testkit Description Amount Syringe, 20 ml 1 Test jar with cap 1 pH strips (100 ea.) 1.0 - 14.0 1 Reagent BC1 1 Reagent BC2 1 Reagent PA1 1 Reagent PA2 1 -
- Read the boilers manual regarding the boiler water systems treatment
- Contact us for advise
- E-mail us all test figures over a period of at least 3 months
- Send us a boiler water and feed water sample
- Take a sample in a clean bottle at least 0,5 L per sample. Fill the bottle(s) to the top
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