12: Buildings and Cultural Assets - Monitoring Effects by Exposure (Leaching) Test

 
Acidified water is dripped onto a sample, as in the diagram below, and changes are observed. Alternatively, the sample is exposed to the outdoor environment, and changes in the sample are then observed.

[Photos] Copper plates five weeks after being dripped with acidified water

(Source: Yokohama City Environment Science Laboratory (1998) "Investigative Study Report on Acid Deposition (II): Property Affected by Acid Deposition" Yokohama City Environment Science Laboratory.)

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