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how to make subzero solution nitric acid substitute

  • Subzero - Shor International

    Nitric acid is highly corrosive and highly toxic nitric oxide fumes when used in the aqua regia process of refining precious metal. Additionally, it is expensive and difficult to obtain. By using Subzero instead of nitric acid, nitric oxide fumes are completely eliminated. Subzero can be comfortably stored for extended periods of time without ... A dry, powdered, non-hazardous replacement for nitric acid when making aqua regia with muriatic acid. Nitric acid is highly corrosive and highly toxic nitric oxide fumes when used in the aqua regia process of refining precious metal. Additionally, it is expensive and difficult to obtain. By using Subzero instead of nitric acid, nitric oxide ...

  • a substitute for fuming nitric acid? | Yahoo Answers

    Oct 26, 2011· f the solution contains more than 86% nitric acid, it is referred to as fuming nitric acid. Depending on the amount of nitrogen dioxide present, fuming nitric acid is further characterized as white fuming nitric acid or red fuming nitric acid, at concentrations above 95%. Nitric acid is also commonly used as a strong oxidizing agent. The most useful information about gold refining by the Acid Method

  • REFINING SILVER IN NITRIC ACID SUBSTITUTE

    to drop the silver out of the nitric acid use common uniodized table salt. add the salt slowly,you will begin to see a white mud or curd begin to fall from the liquid. add salt in 15-20 minute intervals until no more silver falls. pour off the liquid and save the white mud,rinse the mud with distilled water. Make Nitric Acid - the Complete Guide: We show 3 ways to make nitric acid based on two different chemical approaches both of which can be done using easily accessible materials.Warning: The procedures in this video produce large quantities of toxic gases and deal with highly corrosive ...

  • Would nitric acid be a suitable substitute for ...

    Sep 30, 2012· If the solution is slightly acidic that would be a good think. We usually usually use sulfuric acid for that since the sulfate ion won't react with the copper. But here's the clincher. The only acid with which copper metal will react is nitric acid. So nitric acid is the worst possible choice to make the solution … Nitric acid substitute 2000. Q. I'm looking for a chemical substitute for our nitric acid mixture bath used for chemical deburring of non-ferrous alloy electronic pin connector parts. Burr created during machining/slotting operations have to be removed chemically.

  • Silver refining - Alternative to nitric acid? : Silverbugs

    Hi guys, Recently I got into silver refining using nitric acid prior to melting, which worked great and resulted in 95-98% pure silver. However recently in my country nitric acid (among many other chemicals) has been banned for personal use and have become next to impossible to get your hands on. Jun 22, 2014· In the case of both classes of metals Veley found that rapid solution occurred in nitrous acid, less rapid in a mixture of nitrous and nitric acids, and much slower action still in the case of ...

  • How to Refine Gold by the Acid Method

    How to Refine Gold by the Aqua Regia Acid Method. ... it must be done outdoors, away from anything that may be damaged by exposure to these fumes. If you're using a nitric acid substitute, it should still be outdoors, or within a self-contained system that neutralizes fumes. ... Add your precipitant to the solution. Jun 19, 2012· In this video I show you an easy source to get a decent volume of nitric acid on the cheap. This idea was originally sourced from Myst32YT so give him some love too.

  • Need CBX gold stripping powder - Finishing

    Mar 27, 2011· SubZero is a powdered nitric acid substitute, to which HCl is added to make substitute aqua regia => But if a reader wants CBX for some purpose for which aqua regia or Subzero is not a good substitute, again I have heard but do not know, that it may simply be anhydrous ferric chloride. Thanks again. Regards, Ted Mooney, P.E. Oct 30, 2010· this is one of the methods on how to make sodium nitrate, it is a useful oxidant if you dont have potassium hydroxide, you can substitute it with sodium hydroxide and will …

  • subzero gold refining instructions - BINQ Mining

    Mar 20, 2013· 1lb Shor SubZero Gold Refining Supplies from 16. 1lb Shor SubZero Gold Refining Supplies from Powdered nitric acid substitute. Non-hazmat! … PLEASE READ ALL INFORMATION AND INSTRUCTIONS BELOW »More detailed Aug 25, 2011· Nitric acid is very useful for every chemist from a high school student to a professional. You can use nitric acid to make sodium nitrate, potassium nitrate, lithium nitrate, calcium nitrate, and …

  • Gold Refining and Platinum Refining

    Powdered nitric acid substitute. Non-hazmat! Safe to ship via UPS with no hazmat fee and no danger. This material is pH neutral and is only a substitute for nitric when added to hydrochloric or muriatic acid. Refer to instructions on how to refine with subzero. Replacement supplies for Simplicity Gold and Platinum Refining System. (Part Number ... Jan 14, 2017· Today we are extracting citric acid from some large large lemons. Citric acid is quite a useful molecule in general, but I don't have any particular uses for it. It is mostly used as a pH ...

  • Silver refining - Alternative to nitric acid? : Silverbugs

    Hi guys, Recently I got into silver refining using nitric acid prior to melting, which worked great and resulted in 95-98% pure silver. However recently in my country nitric acid (among many other chemicals) has been banned for personal use and have become next to impossible to get your hands on. Nitric Acid Substitute. Subzero nitric acid substitute ubzero is a powdered nitric acid substitute, to which hcl is added to make substitute aqua regia but if a reader wants cbx for some purpose for which aqua more refiningrecovery and refining with just nitric acid substitute.

  • Is their a substitute for glacial acetic acid - Answers

    Is their a substitute for glacial acetic acid ... Acetic acid ordinarily would be in a solution. Acetic acid is a weak acid, but it can be very concentrated. ... -Glacial acetic acid provides acid ... Feb 20, 2012· Perhaps hydrochloric would be a good substitute - it will make the solution acidic, and add more chloride ions and not nitrate ions so there would be no conversion to silver nitrate. I've read that the yellow compound formed when you get nitric on your skin is related to picric acid.

  • When and what is the best way to filter aqua regia? - Gold ...

    Apr 28, 2007· Subzero (nitric acid substitute), Storm Gold percipitant, ... With the bucket still tilted, carefully dip the solution out, and into the filter, with a 1 cup Pyrex measuring cup - the type with a handle. To keep from disturbing the solids, use this technique. Turn the cup sideways and slowly immerse it part way. Sep 30, 2012· If the solution is slightly acidic that would be a good think. We usually usually use sulfuric acid for that since the sulfate ion won't react with the copper. But here's the clincher. The only acid with which copper metal will react is nitric acid. So nitric acid is the worst possible choice to make the solution …

  • Alternative to Nitric acid /research - Sciencemadness

    Alternative to Nitric acid /research Many time i wanted to disolve metals like copper, nickel without very high suscess because i dont have nitric acid, and nitrate salt is not disponible to me. So, I desided to find an cheap alternative, altoug i need to make more work to get an high yield product. To make 1 N acetic acid dissolve 1 mole of pure acetic acid in water and dilute it to 1.000 L. There are 2 methods you can use to make the 1 N acetic acid solution, by weight, and by volume.

  • SUB ZERO - Gold Refining Forum.com

    Aug 28, 2007· Can anyone please tell me what exactly is the chemical involved in the nitric acid substitute called SUB ZERO. I did suspect it is sodium nitrate … How long did Syd Barrett play with Pink Floyd? What are other psychedelic rock bands similar to pink Floyd? What is the best character in any hollywood movie?

  • is sub zero gold refining sodium nitrate

    REFINING SILVER IN NITRIC ACID SUBSTITUTE recovery of gold,silver and platinum group metals (it is best to recover platinum group metals in a cls electrolitic tank) refining silver. if you need supplies go to our store enter the store ... tip=sodium nitrate is hard to desolve in liquids other than water. with that said the mixing goes alot faster if you add 1 cup distilled water for ... That is about the right mix. You want about 4/1 mix HCL to sub zero (sub zero is about the same thing as sodium nitrate or nitrate of soda. Two things, P111 CPUs dont have very much gold. subzero,power nitric acid substitute Gold . aqua regia/sub zero users Gold Refining . Live Chat

  • Make Nitric Acid - The Complete Guide - YouTube

    Jun 03, 2009· We show 3 ways to make nitric acid based on two different chemical approaches both of which can be done using easily accessible materials. Warning: The procedures in … my system uses a safe nitric sustitute. here is how you can make the acid. in a wide-mouth gallon glass jar or glass jug pour in 1 quart of sodium nitrate. add 1 to 1.5 cups of water and let it sit overnight.(12 hours) then fill the container 3/4 full with sulfuric acid (battery acid/ electrolite - …

  • Hydrofluoric acid substitute

    Hydrofluoric acid substitute 2007. We operate plating facilities in several parts of the world plating nickel/silicon carbide deposits onto high silicon aluminum castings. Typically, during the pre-treatment, we "de-smut" (acid etch) using a nitric acid/hydrofluoric acid solution prior to zincating. Mar 06, 2007· If you need nitric acid I would suggest to buy it on the web in gallons when needed. Also, if you leak nitric oxide fumes during your reactions you may feel fine and fall over from pulmonary ademia about a week later due to the fact that this is extremely dangerous to your body.

  • make nitric acid VERY SIMPLE

    Aug 25, 2011· The clay color layer is the ammonium chloride (NH4Cl), and the olive oil layer is NITRIC ACID. If you want pure nitric acid, just filter it out the liquid nitric acid. This is the easiest method by far to make nitric acid, as you do not have to buy any of the ingredients online, and also it uses two very common ingredients!!! 515dennisgrantham Make Nitric Acid - the Complete Guide: We show 3 ways to make nitric acid based on two different chemical approaches both of which can be done using easily accessible materials.Warning: The procedures in this video produce large quantities of toxic gases and deal with highly corrosive ...

  • Three Ways to Prepare Nitric Acid | Owlcation

    This article will be concerned with three ways to prepare nitric acid. Nitric acid is a valuable chemical reagent for the laboratory. It is a toxic and corrosive acid as well as being a strong oxidizer as well, in some cases dangerously so. It has many laboratory and industrial uses which include ... Feb 21, 2009· SubZero,Powdered nitric acid substitute ??? Post by wop1969 » February 19th, 2009, 3:15 am Anyonw have any insite on what this is? does it work? how to make it?

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