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IL55 and IL55BV2 Sensor Instruction Manual
13 Appendix 2: Fuller's Earth
The Fuller's Earth is supplied in a sealed 20g package, the package contains sufficient to make a 20,000 mg/l (20 g/l)
solution when combined with 1 litre of water. Alternate solutions can be obtained by increasing the amount of water
used as shown in the table below.
Solution Required (g/l)
Add pack to water
(litres)
2.5
8.0
5.0
4.0
10.0
2.0
20.0
1.0
40.0
0.5
The following points should be observed when preparing and using Fullers Earth solutions:
•
The water used should be freshly distilled or de-mineralised.
•
Ensure the container used for the solution is clean.
•
During preparation and use, keep the solution covered to prevent contamination.
•
When using the solution it must be continually stirred to ensure accurate and consistent measurements and to
prevent settling.
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163790IM-Iss05 Issue Date 11/05/2010