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Long Range Hunting & Shooting
Light Rust on Stainless rifle...how to remove
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<blockquote data-quote="westcliffe01" data-source="post: 882914" data-attributes="member: 35183"><p>It probably does not help much speculating how the barrel could become contaminated. It could be from the profiled barrel having been put into a carbon steel rack after machining. The "cart" with the barrels on it might have passed a point where someone was grinding on some carbon steel, and the little CS berries struck the barrel, and initially they are invisible. Similarly, some form of finely divided CS powder from some other process may have blown onto the barrel. The possibilities are endless. Unless the component is passivated before assembly and non contaminating materials used for all assembly fixtures / surfaces and air filtration applied to the assembly area, there is always risk of contamination.</p><p></p><p>The second question: For the same reason as above, you want to use a chemically pure citric acid and dissolve it in DI or distilled water, since water out a well or city water system has so much crap in it, including iron... Ideally use a glass container/bottle, since that is inert.</p><p></p><p>"Fruit" contains all sorts of stuff, including whatever the tree gets out the ground, so while it might be "natural" it is not "pure"...</p></blockquote><p></p>
[QUOTE="westcliffe01, post: 882914, member: 35183"] It probably does not help much speculating how the barrel could become contaminated. It could be from the profiled barrel having been put into a carbon steel rack after machining. The "cart" with the barrels on it might have passed a point where someone was grinding on some carbon steel, and the little CS berries struck the barrel, and initially they are invisible. Similarly, some form of finely divided CS powder from some other process may have blown onto the barrel. The possibilities are endless. Unless the component is passivated before assembly and non contaminating materials used for all assembly fixtures / surfaces and air filtration applied to the assembly area, there is always risk of contamination. The second question: For the same reason as above, you want to use a chemically pure citric acid and dissolve it in DI or distilled water, since water out a well or city water system has so much crap in it, including iron... Ideally use a glass container/bottle, since that is inert. "Fruit" contains all sorts of stuff, including whatever the tree gets out the ground, so while it might be "natural" it is not "pure"... [/QUOTE]
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Light Rust on Stainless rifle...how to remove
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