http://en.wikipedia.org/wiki/Bluing_(fabric)
Liquid bluing is typically available for purchase at grocery stores, drugstores, or online retailers. It is commonly used as a laundry whitener to improve the brightness of white fabrics during the washing process.
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The approximate operating temperature for bluing with nitre- blue salt is around 290-310°C (550-590°F). At this temperature, the parts are immersed in a bath of the nitre-blue salt for a specific period to achieve the desired bluing effect.
More or less serious accidents are possible.
Yes, carbon steel can be turned blue through a process called heat bluing. This involves heating the steel to a specific temperature range to create an oxide layer that gives it a blue color. The level of heat and timing are crucial to achieve the desired color.
To make Mrs. Stewart's Bluing at home, you will need basic ingredients such as water, laundry bluing agent, and a container for mixing and storing the solution. However, it is recommended to purchase Mrs. Stewart's Bluing directly from the manufacturer to ensure the best results and avoid any potential safety hazards.
To grow selenium crystals with bluing charcoal and ammonia, start by dissolving selenium powder in boiling ammonia. Add bluing charcoal to the solution to act as a reducing agent and promote crystal formation. Allow the solution to cool slowly to encourage crystal growth, and then filter and dry the crystals for collection.
In reference to liquid bluing, the laundering agent. Liquid bluing is a colloidal suspension of fine blue iron (vivianite) powder, a pH balancer, and often a biocide. Vivianite is often referred to as Blue Iron, or Blue Iron Earth, as when fresh, the mineral may be colourless, or nearly so; but, once exposed, will oxidize with the Fe2+ converting to Fe3+ with a concurrent darkening to blue.
Mrs. Stewart's Bluing was created in 1883.
Bluing, as it relates to firearms or metal in general, is a permanent surface treatment under ideal conditions. Poorly maintained bluing will fade or flake off. Bluing is a "form of rust", an oxide layer on the outside of the metal. You can remove it using various abrasives, but yes it is permanent.
There are several reasons bluing will not take on a gun. One is it stainless steel. Nope. Two is the bluing solution correct. If so, is the temperature correct, Brownells has bluing info for their solutions., follow these almost perfect. Also to be blued, it must be alloy steel. not pot metal, not cast, just steel. Don't get any brass, copper, zinc or lead in the bluing solution. lcjones
Gun Bluing is a chemical that is brushed or rubbed on the metal of the gun. It acts like a die. It can be purchased at most gun stores. The metal has to be stripped and cleaned first then the bluing is applied in even layers to make it darker.
If not a refinish, 500 or so.
aluminium and iron
Birchwood Casey makes a chemical that removes bluing. In addition, Naval Jelly, a popular rust remover, will also remove gun bluing. (Bluing is a form of rust) Be certain that you are dealing with blued steel, and not anodized aluminum. A magnet will not stick to aluminum, but both the Birchwood Casey product and Naval Jelly will corrode aluminum alloy very quickly.
Come on. Do you really think if you turn in a jar of blue urine the testers aren't going to know you tampered with it?
Bluing agents are added to laundry to counteract the yellowing of white fabrics caused by minerals and detergent residue. By reflecting light off of the fabric, bluing agents create an optical effect that makes whites appear brighter and whiter.