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 Re: Soup of the Day
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Joined: Jan 2005
Posts: 2,362
Oil Expert
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Oil Expert
Joined: Jan 2005
Posts: 2,362 |
Quote:
silver primer that converts iron oxide (rust) to another kind of oxide, and stops the rust process.
It's a phosphoric acid based thing... you can use straight phosphoric acid on it too but you've then got to nuetralise it with a base like chlorine. It converts the iron oxide into iron phosphide which (unlike the oxide) is impervious to water so it prevents further rusting.
Thankyou for attending Chemistry 101 - tomorrow's lecture will be on the reaction caused by mixing brake fluid with pool chlorine. Please be sure to wear your blast suits. 
Matt
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