MadSci Network: Chemistry

Subject: Reaction of lead and aluminum to trichloroethylene or perchloroethylene

Date: Wed Aug 11 09:49:50 2010
Posted by Patricia
Grade level: nonaligned School: No school entered.
City: Port St Louis State/Province: Rhone Alps Country: France
Area of science: Chemistry
ID: 1281545390.Ch

Thank you so much for answering.  I have an aluminum sailboat with lead poured 
into the aluminum keel.  Seawater has gotten inside and now acts as a battery 
causing corrosion. I would like to know if there is something that will 
displace the water but not act with the metals.  We have drilled holes to 
drain the area, but I believe there is still water in it and in order to keep 
water out I would like to put something else in it.  There are plastic 
threaded plugs that can be removed to access that area and to then seal it.  
Thank you for any help you can give me.  None of the boating "experts" have a 

[Original Submission] 
Subject: Chemical reaction tricholorethylene to metals

Is there an adverse chemical reaction to trichloroethylene or 
perchloroethylene to lead and aluminum? 

Problem is water in a keel of aluminum filled with lead. 
Your site says that the above chemicals are heavier than water and will displace it without mixing with 
Is there something else that will displace water (and possibly diesel)? 

Thank you.

Re: Reaction of lead and aluminum to trichloroethylene or perchloroethylene

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