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Buy saltpeter walmart1/12/2024 ![]() It occurs in nature as a mineral, niter (or nitre in the UK). It is an ionic salt of potassium ions K + and nitrate ions NO 3, and is therefore an alkali metal nitrate. Pure saltpeter is available on Ebay UK but I dont have a credit card. Potassium nitrate is a chemical compound with a sharp, salty, bitter taste and the chemical formula K N O. So far Ive seen sodium nitrate, sodium nitrite and potassium nitrate as ingredients in curing salt mixes which are available overseas. One can make caustic salts from lye and nitrate of soda fertilizer-but this produces a dark black color that is fine for gunbarrels but not necessarily gun screws and so forth that have been engraved and one wants to make them stand out in appearance on a gun.Īsk one of your gunmaker friends over Liege where he gets his nitre bluing salts. Yeah its wierd because cured meats are made in Australia and manufactures must be getting their stuff from somewhere. Make sure to have some salt in your kitchen. Nitre bluing is not bluing with "hot bath" bluing salts such as those salts that gunmaker suppliers sell that are used at 285-295 degrees F-those salts are caustic salts. Look for a store that specializes in saltpeter. And it is best not to quench the item in oil as it will darken the color. In fire bluing with a propane torch it is best to allow the heat colors to change very slowly from light yellow up to the blue color you want( I like the violet blue colors favored by English gunmakers) and stop heating the item just before it reaches the color you desire. If a part such as a screw head is not going to be subject to handling and wear, you can fire blue the surface of the screw head with a propane torch-slowly heating it until it reaches the color you want. Nitre Bluing also referred to as fire bluing and heat bluing is nothing more than the oxidizing of the surface of steel rapidly due to the heating of the potassium nitrate. Why is it called saltpeter saltpeter (n. Can you buy saltpeter at Walmart Humco Saltpetre Potassium Nitrate Powder 1 Lb. Denitrifying bacteria remove one oxygen atom from the nitrogen compound, nitrate, and nitrite is created. ![]() The most recent purchase of potassium nitrate I made was via e-Bay.Ģ50 grams is about all one needs of it to nitre blue small parts. It was discovered that saltpeter or potassium nitrate do not directly contribute to meat curing. In the past in America you could buy potassium nitrate at your local pharmacy (chemist shop) shop, and you may be able to find some in similar or same shop there in Belgium. Here in America one can buy potassium nitrate from fireworks manufactures supply sources. Potassium nitrate is used also in the making and curing of some sausages and in the preservation of meats such as cured Italian and American hams. Although potassium nitrate is the oxygen part of the composition of Black Powder (old type of gunpowder) along with sulphur and charcoal, one does not find it in a gunshop ordinarily.
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