Chime right in - No login req'd, A discussion started in Section 10: Stability and Reactivity Data You put the parts in the oven so that when you apply the plumb brown it sizzles, do this to the whole piece until it won't sizzle anymore. The resulting solution can then be used in place of commercial products. MDL number MFCD00003562. Don't use any abrasive and do it lightly in full strokes. Selenium dioxide is the active ingredient in some cold-blueing solutions. Our FAQ on black oxide and cold blackening is a start. Chris Tisch formerly of the Peoples Democratic Socialist Republic of New Jersey. Very important to use vinyl or rubber Selenium dioxide is the active ingredient in some cold-blueing solutions. It is also used as a toner in photographic developing. Fatal poisoning with selenium dioxide. and my job came out black. In larger quantities, it gives a deep ruby red colour. Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.. Long term use of high selenium doses can lead to dangerous side effects. It has gun cleaning solvents. CapitalEquipment Thanks! Selenium poisoning has no known antidote, so recognition of the signs and symptoms is essential for survival. Stop taking selenium and call your doctor at once if you have: After contacting B-C directly, they stated that if I wanted to get the bluing BLUE, then send it to the manufacturer I got the barrel from because their formula doesn't blue, it blacks. The first practical use of selenium dioxide was patented by I.G. Selenium dioxide based "cold blues" produce a finish that can be patchy and blotchy, and does not wear especially well. Selenium dioxide is very rare as a mineral. Then comes the trick, propane torch, not too hot but hot enough you'll burn the crap out of yourself if you touch the area (DUUH). It is used in small quantities to counteract the blue colour due to cobalt impurities and so to create (apparently) colourless glass. It is alright to heat this product in an oven. Q. Hello! Don't wipe. These tanks require proper mixing methods so water can be safely added to make good the rapid evaporation losses. Selenium dioxide imparts a red colour to glass: it is used in small quantities to counteract the blue colour due to cobalt impurities and so to create (apparently) colourless glass. 0000 steel wool I suspect either citric or nitric acid is used. It's really just to temporarily protect the steel from surface rust...and yes, bluing is the best route for this particular application: link to info/product at Rockler], then used the steel wool with liquid soap, dry and de-grease to get rid of any oil -- I use alcohol. It only is in places where coal caught on fire and the selenides were oxidized to selenium dioxide. Selenium Oxide (or Selenium Dioxide) is available in many powder and crystal sizes. A. I've been spending years using all the available products available for bluing guns and gun parts as a hobby. Gaseous selenium dioxide adopts a bent structure very similar to that of sulfur dioxide. Highly recommended. note: We'll be happy to acknowledge otherwise, but we think that, although Hoppe's offers cleaning and gunstock chemicals, they no longer offer bluing chemicals. Read what you need to know about our industry portal chemeurope.com. I decided to test that theory, I sanded one side of the barrel to a 220 grit finish and the other side to a 500 grit, we'll see if I can tell the difference. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE. This isn't something you do in a hurry or do without precautions. I recently came across this line of products called Hoppe's. The ground state electron configuration is .. (la2)2(4b2)2(6ai)2 'AI and the molecule is bent primarily because of the two electrons in the (6ai) orbital, which has much lower energy than the in-plane component of (2aru) with which it correlates in the linear molecule (11, 13). When looking for industrial quantities, try googling with the term "black oxide" or "cold blackening" because that's what industrial users usually call the process rather than bluing. If you are seeking a product or service related to metal finishing, please check these Directories: Jobshops It is a difficult product to apply evenly, offers minimal protection and is generally best used for small fast repair jobs and touch-ups. Selenium dioxide is the active ingredient in some cold-blueing solutions. They have a product called Gun Blue and I used it to get blue bluing and it worked. *Please select more than one item to compare It will then look like rust, simply take extra fine steel wool and polish, repeat 7 or 8 times, then let air dry and buff with steel wool and cover with oil, looks brand new. Find out how LUMITOS supports you with online marketing. To prepare the metal, I used We have an FAQ comparing the two processes. I'm wondering if I can add this to what I bought at the store to juice it up a bit, or do I add it to water or what? References One is a cold bluing kit for firearms, which contains Selenium Dioxide. affil. It only is in places where coal caught on fire and the selenides were oxidized to selenium dioxide. Uses. Selenium dioxide imparts a red colour to glass. Will either of these processes cause any changes in the strength of the fasteners such as Hydrogen embrittlement? (adsbygoogle = window.adsbygoogle || []).push({}); Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. NACRES NA.22 Each Se atom, which is pyramidal, bears a terminal oxide group. Please forgive any resultant repetition or failures of chronological order. Q. I wish to know what type of acid is used to make cold blue liquid. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful. Ultra high purity and high purity forms include powder, submicron powder and nanoscale. Q. Birchwood works best. Selenium Dioxide is a one-dimensional solid polymer, with alternating selenium and oxygen atoms. Q. This colorless solid is one of the most frequently encountered compounds of selenium. Other operators have learned that a rumbling sound can mean run for your life: a slug of water is being heated by the tank contents and may be about to blow. link to info/product on Amazon] in all stages. Consult'g, Train'g& Software, About/Contact    -    Privacy Policy    -    ©1995-2021 finishing.com, Pine Beach, New Jersey, USA, [affiliate link by editor to product info at Brownells], chemical process supplier - Gurnee, Illinois, [last name deleted for privacy by Editor]. World's top finishing resource since 1989 I understand it can be DIY by dissolving nails in a acid solution over a period of time. [affil. They’re very easy to apply, requiring only a thorough degreasing before application. Selenium dioxide MSDS Section 1: Chemical Product and Company Identification Product Name: Selenium dioxide Catalog Codes: 11445 CAS#: 7446-08-4 RTECS: VS8575000 ... Soluble in cold water. A. Oxidation of paraldehyde (acetaldehyde trimer) with SeO2 gives glyoxal[2] and the oxidation of cyclohexanone gives cyclohexane-1,2-dione. It is toxic in both inhaled or ingested situations and has a melting point of 340 degrees Celsius. Alibaba.com features the purest and top-class selenium dioxide solutions from leading sellers who excel in delivering high-quality products worth your money. Selenium dioxide imparts a red colour to glass. At this point I rubbed with Q. I have some black powder handguns I'm bluing with store-bought gun blue (Birchwood-Casey Gun Blue Alternately, you could get the phone book and look for gunsmiths, who, I'm sure, will be only too happy to do the job, and they'll surely use the hot caustic blue process--which wears a lot better than the selenium-based coloring and also tends to look better. Attempts at resuscitation failed and the patient was pronounced dead. Selenium dioxide is the active ingredient in some cold-blueing solutions. 1. no need to remove What if I need to buy gallons of the stuff to do a non-firearms project. Safety. Does someone out there make an industrial bluing compound? Find out more about the company LUMITOS and our team. The steel wool sticks into you and hard to pick it out of your skin. I understand it can be DIY by dissolving nails in a acid solution over a period of time. The other is a cold black oxide coating kit from a automotive restoration supply company, but they will not mention the active chemical. can be bought on line or at your gun dealer. Selenium - Selenium oxydichloride - Selenous acid - Sodium selenite - Riley oxidation - Selenite (ion) - Bluing (steel) - Glass - Chemical compound - Chemical formula - Polymer - Oxygen - Stereochemistry - Tacticity - Sulfur dioxide - Tellurium dioxide - Acidic oxide - Salt (chemistry) - Sodium hydroxide - Hydrogen peroxide - Organic synthesis - Paraldehyde - Glyoxal - Cyclohexanone - Redox I just want to say thanks to Jim Howell and Ted Mooney for the tips that they gave. To minimize your searching efforts and to offer multiple viewpoints, we've combined some threads into the dialog you're viewing. What do you recommend...quality of finish / aesthetics is not an issue. I did a couple of my friends' kit guns and they turned out great. Thanks! As an FYI, it's the oil over the blackening that makes the gun look blue, and the usual acid is hydrochloric with selenium. It was positively better than I ever expected and total time was about two and one half hours. Got to get that off everything and it works fast. So it’s important to understand the ways in which we take in selenium, both in the diet and as supplements. One must also bake powder coat in an oven to get the final finish. Selenium dioxide ≥99.9% trace metals basis Synonym: NSC 56753, Selenium oxide CAS Number 7446-08-4. I have read that the rust blue process will etch the metal with the acid solution and the rusting, so there is no point in sanding beyond a 320 grit finish. I just refinished a 1938 Large Ring Mauser 8 mm with the step barrel. SELENIUM DIOXIDE reacts with water, particularly hot water, to give selenious (selenous) acid, a weak acid that is corrosive. Oxide compounds are not conductive to electricity. This works and remember is dangerous, (chemicals, torch = danger) Keep chemicals away from torch like remoil, WD-40 Nu-Blu offers their bluing in quarts...but I'm thinking 5 gallon pail. The original finish was completely gone although only a few minor pits.I sanded it with three grades of automotive wet dry paper. Selenium dioxide is the chemical compound with the formula SeO2. Selenium dioxide imparts a red colour to glass. To use all functions of this page, please activate cookies in your browser. [affil. In larger quantities, it gives a deep ruby red colour. Thanks. The blue-black appearance of black iron oxide is what gives the process its name. Selenium, standard solution 1000 mg/l Se for AA (selenium dioxide in nitric acid 0,5 mol/l). Often the term selenous (selenious) acid and selenium dioxide are used interchangeably. !! Hot bluing utilizes a caustic solution of liquid alkali salts in a heated bath, usually about 295-325 degrees F, and the resulting caustic black color is much tougher than cold bluing, but necessitates lots of specialized equipment. Linear Formula SeO 2. link to info/product on Amazon]). Farbenindustrie in 1930.Later studies of the oxidizing properties of selenenium dioxide showed that various types of dialdehydes, aldoketones, and 1,2‐ketones could be prepared. link to info/product at Rockler] and got the deepest high polished barrel second only to real high grade factory finishes. Selenium dioxide is therefore assumed to be bent in the ground state for the same reason as is sulfur dioxide. A. A. [3], It is also renown as a reagent for "allylic" oxidation,[4] a reaction that entails the conversion. [affil. Swab the bluing on -- one time , one direction, big or small area let set for 30-40 seconds -- take to sink and rinse it good. Dissolution of SeO2 in selenium oxydichloride give the trimer [Se(O)O]3. I love the gun but it was in rough shape, so I stripped the barrel and blued it myself. Chemicals &Consumables [affiliate link by editor to product info at Brownells]. Köppel C, Baudisch H, Beyer KH, Klöppel I, Schneider V. Two hours after suicidal ingestion of an unknown amount of selenium dioxide, a 17-year-old male was admitted to hospital with asystolia and apnea. These studies represented a marked advance in preparation of many difficult to obtain compounds. Cobalt in glass makes a blue color. It was also used as a toner in photographic developing. 0000 steel wool [affil. A good oxidizing agent. Casual digs beget casual digs :-). Molecular Weight 110.96 . Rubber Gloves I then wiped it dry with a dry old cotton towel. Try it and let me know. Cobalt in glass makes a blue color. In larger quantities, it gives a deep ruby red colour. PubChem Substance ID 24851959. Stable to light and heat. link to info/product at Rockler] to blend only. A. Hi, Bruce. Put a coat on (be careful it spreads and dries fast), let it dry, then I wash with hot water. You must NEVER use chemicals in your old daily user; if you do YOU CAN DIE FROM IT. There are also phosphatizing (parkerizing) processes for moving parts, and cold blackening processes that are safer but not as good. Your browser does not support JavaScript. [1] Whereas SO2 tends to be molecular and SeO2 is a one-dimensional chain, TeO2 is a cross-linked polymer. Could you help me please? Selenium dioxide is the active ingredient in some cold-bluing solutions. Q. I have a steel part with some silver on it. It sounds like you're being penny wise and pound foolish. Good luck! When it's clean and hot you can see the color changes in the metal being very careful -- not too hot. Something to realize about black vs. blue, however, is that: a matte surface always tends towards black -- because rough surfaces bounce the light around instead of directly back, and because rougher surfaces have more surface area and absorb more dye. To use all the functions on Chemie.DE please activate JavaScript. See if you can find a local distributor of metal finishing processes. Selenium dioxide is the active ingredient in some cold-blueing solutions. Compare Products: Select up to 4 products. Cold bluing uses acids to put an oxidized finish on steel at room temperatures, or close to it. A. Hi David. Selenium Oxide is generally immediately available in most volumes. A highly polished surface will always look much brighter and a more jewel-like blue with the same bluing/blackening chemistry. With an accout for my.chemeurope.com you can always see everything at a glance – and you can configure your own website and individual newsletter. 3. is not oily Also how safe is it to work with Selenium Dioxide and are there any disposal issues? Selenium side effects. It reacts with base to form selenite SeO32-: Selenium dioxide is prepared by oxidation of selenium by burning in air or by reaction with hydrogen peroxide, but perhaps the most convenient preparation is by the dehydration of selenous acid. Experiment on junk -- very important. Selenium dioxide is used in making organic compounds. However, Mr. Thomas failed to mention anything about NOT baking your chemicals in the oven you may very well be cooking tomorrow's turkey dinner in. Selenium dioxide is used as a coloring in glass. It took a lot of work and time, but I think it looks very good, no problems what so ever and it has a nice blue when out in the sun. A. SeO2 is considered an acidic oxide: it dissolves in water to form selenous (selenious) acid. In larger quantities, it gives a deep ruby red colour. or Brand: Scharlau. [affil. 2000 but continuing through 2018. About product and suppliers: selenium dioxide solutions are extremely important for distinct industries to serve a variety of multiple purposes. Beyond that, you can search this site for many threads of conversation on the subject. In larger quantities, it gives a deep ruby red colour. I simply tore down the gun, sanded the barrel with 220 grit sandpaper, till it was nice and shiny. link to info/product on Amazon]) with a small buffing wheel and polish like crazy. Just a comment about Cold Bluing. You are more limited in cold bluing than you would be in hot bluing--but hot bluing can be dangerous and complicated. ----Ed. The smell is of HCl = strong acid. Thanks, and good luck! See if you can mirror polish something before bluing, and then tell us what happens. Bluing can be performed on sheet metal, but has been more commonly performed on gun barrels and other firearm components. You must NEVER use chemicals in your old daily user; if you do YOU CAN DIE FROM IT. Dry -- I use a hair dryer and then oil. ! A product called plum brown => It is used in small quantities to counteract the colour due to iron impurities and so to create (apparently) colourless glass. It is true. In larger quantities, it gives a deep ruby red colour. Selenium dioxide imparts a red colour to glass: it is used in small quantities to counteract the blue colour due to cobalt impurities and so to create (apparently) colourless glass. info on Amazon. It was also used as a toner in photographic developing. Buy great stuff from these businesses who support our channel and help keep us going! Selenium Dioxide is a crystal or crystalline powder, usually found in either white or cream color. Degrease, wipe off and do it all over starting with the torch, over and over. Theoretically, the selenium dioxide powder itself does not burn the skin (and if dropped on to the skin should be immediately brushed off dry). Preparation by removing rust and blue is not an option, it is amazing how it works. Search results for selenium dioxide at Sigma-Aldrich. Although I'd prefer to outsource such work, all the local jobshops aren't interested in running a small batch or used parts for that matter. The most caustic is the bluing and rust removal. “Cold” bluing uses selenium dioxide to change the chemical composition of the steel, but the resulting finish isn’t as tough and wear-resistant as “hot” bluing. I was using this old French pistol and it came out excellent. A friend of mine works for an aerospace firm and says he can get me some in powder form. Rapidly absorbs dry hydrogen fluoride, hydrogen chloride, hydrogen bromide to form the corresponding selenium oxohalide. Be careful because cold blue even with heat is shallow and you may have to get out the torch again. ----Ed. In larger quantities, it gives a deep ruby red colour. Code: SE00110500. I then degreased using brake cleaner, Acetone Selenium dioxide imparts a red colour to glass: it is used in small quantities to counteract the blue colour due to cobalt impurities and so to create (apparently) colourless glass. 0000 steel wool Normally I wouldn't respond to this type of submission but there is a serious medical concern here. [affil. To minimize search efforts and to offer multiple viewpoints, we combined previously separate threads onto this page. © 1997-2021 LUMITOS AG, All rights reserved, https://www.chemeurope.com/en/encyclopedia/Selenium_dioxide.html, Your browser is not current. First 400, then 600, then 800 paper. It is used in small quantities to counteract the blue colour due to cobalt impurities and so to create (apparently) colourless glass. link Selenium dioxide is used as a coloring in glass. link to info/product on Amazon] works as well as carb cleaner. I suspect either citric or nitric acid is used. A. I am getting into hunting for my first this fall, and I was given an old winchester 1200 pump. Now safely residing in Arizona where God, Guns and Guts still rule. It didn't come out as good as I would like, and I noticed the main ingredient is "SELENIUM DIOXIDE". Your warning on hot caustic bluing is well taken, John, but I personally think the temperature is an even bigger problem than the caustic. [affil. I believe I may have the answer to most problems (HEAT) Selenium dioxide is used in making organic compounds. Partially soluble in methanol, acetone. I tried Jim's procedure for bluing and it's works very well. Older muzzle loaders are browned, not blued. While optimal selenium levels are imperative for proper thyroid function, abnormally high selenium intake can be toxic – causing gastrointestinal disturbances, changes in nails and hair, weakness, convulsions and decreased cognitive function. Please forgive any resultant repetition, failures of chronological order, or what may look like readers disrespecting previous responses -- those other responses may not have been on the page at the time :-). I put on rubber gloves to avoid oil from my fingers and I used Gunslick blue. I want to know if cold bluing the will react or change the silver and if so can it easily be buffed off. I just finished a Swede 6.5 carbine which I paid $250 and now can expect $600 easily. Selenium dioxide is the active ingredient in some cold-bluing solutions. [affil. Thanks This Van's is all it's cracked up to be and more. Water flashes to steam at 212°F whereas these tanks operate at 265-290 °F and more. Selenium is an essential element, but ingestion of more than 5 mg/day leads to nonspecific symptoms. There are several methods to blue gun barrels, such as hot bluing, rust and fume bluing, and cold bluing. EPI (Electrochemical Products Inc.) [a finishing.com supporting advertiser] is one supplier of cold blackening processes. One foolish man was having a soda while bluing, dropped the can into the tank, and it exploded -- showering him and causing his death. (Lesson learned). It is used in small quantities to counteract the colour due to iron impurities and so to create (apparently) colourless glass. Looking to restore the black oxide finish on some specialty German made metric fasteners for a vintage motorcycle project. The steel has been heated at every layer of blue and it's nice and strong. Parkerizing Solution at Brownells Got to be clean. I was curious to see how it went. I tried the same bluing from Birchwood-Casey => note: Dan & Ted are on the same wavelength here: whether due to a more polished surface before bluing, or oiling the surface after bluing to smooth it, rough surfaces look blacker and smooth surface look bluer. For fun I compared the finish from two Brownell’s cold bluing products: Dicropan T-4 and Oxpho-Blue Creme Cold Bluing Test I am in the process for restoring a 1935 8 mm Mauser and want to do the job myself. Wash with your steel wool and soap. "Cold" bluing is generally a selenium dioxide based compound that colours steel black, or more often a very dark grey. note: Although your assessment of New Jersey isn't far off the mark, at least we've outlawed shock torture, whereas shock torture devices are Arizona's proudest, and perhaps only, export :-( ---- Then I rinsed it with water, and used a degreaser to remove any oil left. The questions I have, is cold bluing the same process as cold black oxide coating? I need a do-it-yourself kind of kit for gun finishing - (the complete process with the chemicals required) Parkerizing or black chromatizing. US2846343A US535740A US53574055A US2846343A US 2846343 A US2846343 A US 2846343A US 535740 A US535740 A US 535740A US 53574055 A US53574055 A US 53574055A US 2846343 A US2846343 A US 2846343A Authority US United States Prior art keywords solution copper aluminum selenium effecting Prior art date 1955-09-21 Legal status (The legal status is an assumption and is not … After the first time you'll say "Jimbo knows his stuff". Size: 500mL. Last thing, use a moto tool (Dremel This consists of immersing the cleaned parts into a boiling (about 265 °F) mixture of strong oxidizing salts including sodium hydroxide and nitrites. These chemicals are POISON and I've been careless and have been sick and arthritic curling fingers by not taking the proper safety measures. Dry with Clean and dry paper towel lightly use small This particular thread is about cold bluing at home but we have numerous threads about the industrial application of cold bluing as well as hot black oxide processing.
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