The bottle has instructions for using it with copper, so we have included our own instructions with the bottle for using it with silver. You will be diluting only a small amount with water. This is a 4 ounce bottle of liquid concentrate. Personally, I haven't seen it happen (my bottle has lasted a long time) but in theory, there is the potential that it could weaken over time. Liquid Liver of Sulfur will weaken over years but if you keep it super airtight and in a cool dark place, it will extend the shelf life. Also, every time I have purchased the rock form, it has expired before I had a chance to use it all. I really prefer the liquid Liver of Sulfur over the solid rock form because you don't have to wait for it to dissolve. Learn how to work with Liver of Sulfur in a safe manner as well as more about storage, disposal, protective equipment, and spill-handling procedures by clicking on the Materials Data Safety Sheet. This treatment can result in a very dark piece of jewelry or a. Liver of sulfur is a loosely defined mixture of potassium sulfide, potassium polysulfide, potassium thiosulfate, and likely potassium bisulfide. Does not work with brass, nickel silver, gold-filled or aluminum. A solution of liver of sulfur and water is used to create a patina on the finished piece. It is not an acid and not considered a hazardous material, but it does STINK so use in a well ventilated area.īest for copper. Mostly brown to black.A liquid solution for oxidizing the surface of metal. I also use this process for copper and brass although the colors achieved will be very different. Try different amounts of ammonia and salt (iodized salt gives a different color than kosher salt), and make color patterns by selectively dipping just certain areas of the piece into the LOS solution.Īllow the patina to dry and set before rubbing it off the high areas of the design with a fine polishing paper or pumice. This recipe is particularly good for the dark purple and blue iridescent colors although I have achieved some remarkable orange and magenta colors as well… as seen on the ring at right in photo. Left too long in the LOS and the black can become too thick and flake off. Color will develop beginning with straw gold and ending at total black. Cheers for now, JohnB of Mapua, Nelson NZ FrodoGem September 4, 2004, 1:03am 4 Liver of sulfer breaks down in what is called a double replacement reaction. Polishing compound and buffing machine Jewelry polishing cloth Liver of sulfur Oxidizing Solutions Many chemicals will turn copper and metals containing. Liver of sulfur tips Jewelry Discussion richardtbarbare June 18, 2004, 5:02am 1 I need some tips on using liver of sulfur on silver. STEP 3 Place a thumbnail-sized amount of liver of sulfur into the steaming water and stir until dissolved. Fill second cup with cold to room temperature water for rinsing. STEP 2 Microwave or otherwise heat 1 cup of water until steaming, but not boiling. Repeat as necessary to achieve the colors you want. Liver of sulphur is potassium polysulphide which in the presence of air and light breaks down to colourless potassium sulphate. STEP 1 Clean your piece thoroughly with a paste of baking soda and water. Next dip it in a container of ice water to stop the action and set the patina. Color of water will be yellow.ĭip piece to be patinated into a container of very hot water to pre-heat the metal, then briefly dip into the LOS solution. Liver of Sulfur for a rainbow of colors on silver – adapted from instructions provided by Katherine Palochak.Ībout a half teaspoon of LOS gel (or can use dry lump form)ĭissolve the LOS in the hot water, then add the other ingredients. See MSDS online for further safety precautions. This odor is not harmful in small amountsand as long as the solution is not burned, but it is wise to avoid breathing the fumes directly. 0:00 / 3:31 How to Properly Dispose of Liver of Sulfur with The Bead Place Abbi Berta 55.7K subscribers Subscribe 43 5.1K views 11 years ago Ever wondered how to get rid of liver of sulfur. Ventilate Potassium sulfate and potassium carbonate (aka sulfate of potash and carbonate of potash) are the by-products of liver of sulfur’s decomposition. Liver of sulfur, when mixed into solution, emits a distinctive rotten egg odor. Showing these as examples of the colors that can be achieved on silver using liver of sulfur patina. Boiling liver of sulfur in water causes a breakdown of the solution into 2 other chemicals which will no longer color your metal. Three new rings created for the recent sale at Monterey Peninsula College.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |