2/18/2024 0 Comments Liver of sulfurI don't often patinate so I find it better to just make up a fresh solution every time. So if you really want to reuse it, I recommend standing the closed jar in a bowl of hot water (swirl the jar occasionally) to warm it up. I am leery of reheating LOS solutions in the microwave - not good to accidentally bring it to boil. Just make sure you screw on the lid tight and cover the jar with foil like for the Gun Blue. You can reuse the LOS solution for as long as it has that chartreuse color - only a few days at most. The LOS solution I made is a bit murky because my LOS supply is old but it was still workable. Note Many artisans now prefer to work with LOS gel which is stabilized and will last. Solid LOS doesn't last - it decomposes very quickly with time and exposure to the air and light. Anyone who works in a lab would recognize these two tips. Glass containers are better than plastic as there may be interaction with the plastic. The foil will keep light out and lengthen its useful life. Just keep the Gun Blue stored in a safe place wrapped in foil until the next time you use it. The gas disperses very quickly in larger spaces.ĭispose of the rinse water down the drain with lots of water. I didn't fancy working with liver of sulfur outdoors in the middle of winter so I used it carefully in my workroom which is a fair size room ie not a closet. I may be a retired scientist but it doesn't mean I can't still do some experiments! Intrigued, I decided to check out the reaction with different jewelry metals. The instructor happened to mention Gun Blue does not work with sterling silver. There are other nasty compounds around the house we have to be careful about too - bleach and ammonia, another noxious gas, are two examples. Before you freak out, keep things in perspective. Keep safely stored away from children and pets. When the solid form is mixed with water, a smelly gas (like rotten eggs) called hydrogen sulfide is released.The gas is poisonous in large amounts so it should be used with adequate ventilation.Īlso be careful not to get either solution on your skin. Liver of sulfur is mostly potassium sulphide. It also contains selenium dioxide and hydrochloric acid. Gun Blue just happens to be a convenient copper sulphate solution. (If you are going for the boiled eggs method - remember whole eggs or whites. Otherwise check the useful links below for some of the dozens of "recipes" and alternatives. You can also order it online like this brand, Birchwood Casey PSP Gun Blue For Canadians, the hunting section of Canadian Tire will have it. Gun Blue may not be easily available in countries with strict gun control. Gun Blue is used for "bluing" - anti-rust touch up on the finish of guns.
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