All "bluing" is really blacking. ... (sodium hydroxide) ... sodium or potassium nitrate can be substituted at the same ratio. This batch used the Potassium Nitrate (bought off ebay) which is not caustic and had no shipping restrictions. The next batch will use Sodium Hydroxide Potassium nitrate can also be produced by neutralizing nitric acid with potassium hydroxide. Nitre bluing is more closely related to heat treating or heat bluing. Sodium nitrate and potassium nitrate is a white crystalline solid. The material is soluble in water. Hello everybody!!! i'm new member and i guess how make a Royal Blue Bluing. ... 65% Lye (aka sodium hydroxide) 35% What is your opinion of the 2 to 1 lye and potassium nitrate bluing solution? Also buffing wheels pre blue. A Christmas of Chemistry Demonstration Kit makes the holiday season joyous. These demonstrations will amuse and enlighten your students. This article reprinted with permission of Glen E. Fryxell and Handgun Hunters International : Headlong into the Hornets Nest Looking for MSDS information regarding the chemicals in a commercial product or a material safety data sheet (MSDS)? Search metadata Search full text of books Search TV captions Search archived web sites Advanced Search Homemade Hot Blue Formula ... (sodium hydroxide) ... you have to add 6.25% more sodium nitrate and 26.25% more potassium nitrate. I also used to have a formula for hot bluing. It could have been potassium nitrate. Potassium nitrate is a chemical compound with the chemical formula K N O 3. This is intended to summarise some of the uses of this stuff: Sodium and potassium hydroxides are as strong alkalis as you can get. How to Blue Steel. Bluing steel is the process of oxidizing the surface of the metal to protect it from rust. Homemade Hot Blue Formula Original Post Courtesy of Blair Emory [my comments in brackets - KM] All "bluing" is really blacking. Bluing is a passivation process in which steel is partially protected against rust, and is named after the blue-black appearance of the resulting protective finish. What is your opinion of the 2 to 1 lye and potassium nitrate bluing solution? Also buffing wheels pre blue. A Christmas of Chemistry Demonstration Kit makes the holiday season joyous. These demonstrations will amuse and enlighten your students. This article reprinted with permission of Glen E. Fryxell and Handgun Hunters International : Headlong into the Hornets Nest Looking for MSDS information regarding the chemicals in a commercial product or a material safety data sheet (MSDS)? Search metadata Search full text of books Search TV captions Search archived web sites Advanced Search