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> Making Zinc Oxide, additive for oil
timothy_nd28
post Feb 18 2013, 04:56 PM
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Is there any Chemist here, that can do a write up procedure to make a zinc additive for the cheap oils at the auto-parts store? My Castro GTX oil seems to be lacking zinc these days, and I really don't want to spend 20 bucks on the additive.
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timothy_nd28
post Feb 19 2013, 09:35 AM
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Perhaps, but one would never know unless asked. I have been a Castrol man for many many years and for me it would be hard to jump ship to a different brand. I have full access to the University's Lab and provided a equation with a good forward rxn that provides a good yield, why not? If I could produce a gallon of this stuff, it may be worth it. In addition, there is a cool factor for making your own. Money really isn't the issue here, its more about the EPA being a bitch and putting further restraints on oil company's.
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worn
post Feb 19 2013, 11:39 AM
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QUOTE(timothy_nd28 @ Feb 19 2013, 07:35 AM) *

Perhaps, but one would never know unless asked. I have been a Castrol man for many many years and for me it would be hard to jump ship to a different brand. I have full access to the University's Lab and provided a equation with a good forward rxn that provides a good yield, why not? If I could produce a gallon of this stuff, it may be worth it. In addition, there is a cool factor for making your own. Money really isn't the issue here, its more about the EPA being a bitch and putting further restraints on oil company's.


It isn't intrinsically a dumb question, but you overlooked a lot. You can just buy zinc oxide dirt cheap because it does it on its own. Heating zinc in air will do it - white powder. Problem is the additives are complex and proprietary, they aren't zinc oxide as mentioned above. I believe, but do not know, that the additives are coordinate complexes with both Zn and P as the centers. They provide a lot of help coating the metal and preventing wear. I use maybe half of an 8 dollar bottle of ZDDP from eastwood for every oil change. Made by people who have both chemistry degrees and a lot of experimental work under their belts. You and I just have the chemistry degrees. Not enough.
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