There is no magnetite involved. And it is completely unrelated to caustic hot bluing.
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Let the solution cool then scrape out the pot and put the salts and solution into the pail.
Nitre bluing salts recipe. Caustic hot bluing a mix of salts and water forms magnetite an oxide of iron fe3o4. The mix ratio is 5 lb lye sodium hydroxide to 2 12 lb ammonium nitrate fertilizer to 1 gallon water. Homemade hot blue formula.
Home parkerizing recipe. 1 2 gallon plastic container with lid. The parts are suspending in a salt solution that contains potassium nitrate sodium nitrate and other chemicals brownells recipe also contains sodium nitrite other recipes include manganese dioxide that is heated to 600 degrees.
Granular lye can be ordered online and ammonium nitrate fertilizer at least 30. Today we are going to teach you how to nitre blue without nitre salts. Many brands today are made from urea or some other source.
Typical red rust is fe2o3 the act of boiling the red rust converts it into black rust or magnetite. Available at home centers in the paint department for storing the blueing salts between uses. They made these in the factory.
I have also written about this process as well. Using the sodium. For this second and complete redo job i used the homemade salt recipe of sodium hydroxide and sodium nitrate lye and fertilizer.
You will know when the salts are ready when the stir stick starts to blue. How to nitre blue gun metal without nitre salts sonoran desert institute. Most any bluing chemical can be used to do a colt python level royal blue but it takes a real expert with years of experience to polish the metal to that level without rounding off sharp edges or leaving ripples in the flat areas.
Mustard seed cumin sugar salt pepper and toss. Homemade nitre bluing salts jul 16 2005 my choice is simple the deep rich luster of niter bluing. Just the bluing salts alone will set a person back about fifty bucks not to mention for heating and maintaining the temperature for our homemade bluing tank and the windchill factor ramshackle.
Further adventures in bluing pic intensive this is a discussion on further adventures in bluing pic intensive within the gun care forums part of the gunner forum category. Disabled vets learn recipe for success. Nitre bluing is not the same as hot salts bluing although heat and salts are used.
Make sure you are buying actual ammonium nitrate. You are thinking of rust bluing. Nitre bluing is more closely related to heat treating or heat bluing.
You can buy hot salts bluing chemical from brownells. Blue cheese and bacon salad with bibb lettuce pickled corn relish.
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