Random Thread #1

[Algenco]

Just as a reminder for those of you that don't get Skylighter's emails. 50% off everything from now until noon Eastern Time the 28th of October. Too bad the coffers are low...

 

 

that's brings the prices to just a little higher than anyones, I can't believe the prices Harry wants

[Updup]

Just as a reminder for those of you that don't get Skylighter's emails. 50% off everything from now until noon Eastern Time the 28th of October. Too bad the coffers are low...

 

And if you don't get the email, you won't have the code, its: 1027A

 

I've made my order [=

 

Rainbow rubber stars kit

1# Charcoal

1# KCIO4

1# Sodium benzonate

100 feet of fast firecracker fuse.

 

All for less than $100, that includes the $32 shipping! Not too bad for skylighter.

[Algenco]

why wait for Harry's rip off sales.

Check Hobby Chem's everyday prices

 

http://www.hobbychemicalsupply.com/servlet/StoreFront

[dagabu]

1# NEPT tubes are $27.90 half price, Jim at Hobby Horse sells them for $20.00 full price. No thanks. Edited October 28, 2010 by dagabu

[Gunzway]

Some of the books are a good deal when 50% off, depending on what one you are looking at (example: Hardt's Pyrotechnics). It would be nice if they did accept SOME orders from other countries depending on what it is, otherwise I might have bought a copy.

[RUUUUUN]

Happy halloween!

[Givat]

Just some funny movie I found on you tube - "Chemical Party!"

 

enjoy

[50AE]

Woooow good find, it's

HILARIOUS!

 

[Mumbles]

Zinc should have gotten two chlorides. Lucky Zinc.

[DeAdFX]

I'm thinking of making some copper chromite using a different process as prescribed here (http://designer-drugs.com/pte/12.162.180.114/dcd/chemistry/copperchromite.html)...

 

According to the glycine nitrate process (http://www.physics.montana.edu/sofc/projects.htm) mixing glycine with metal nitrates will produce nanometer sized oxides.

 

I'm gonna test and see if mixing glycine, copper nitrate, ammonium/potassium dichromate. Yah yeah I know Cr2O7 =/= NO3 but i don't have any Cr(NO3)3.

 

I just need to make some copper nitrate and an apparatus to collect all the metal oxide that is ejected from the reaction zone. I'm kinda doubtful that pyrex is gonna hold up to high temps:/

 

Will a stainless steel hold up?

Edited November 7, 2010 by DeAdFX

[Peret]

There seem to be several cuts of this video about. I saw one where Sodium and Chlorine were separated by a jealous chick with a taser (electrolysis).

[Mumbles]

I've looked into this somewhat too. If you want to start a new thread on the matter, let me know and I can split it off. Going off of copper chromite being an excellent whistle catalyst, I've been looking into other transition metal spinels to make excellent whistle catalysts. The below method of making them has the advantage they form as nanoparticles.

 

I am somewhat doubtful of your proposed route. The biggest problem is that your chemicals are going to combine and immediately precipitate copper chromate. Being a solid, I don't think you'll get the same reaction. Presumably it operates by causing an auto ignition between the nitrates and glycine. All your good stuff will be a precipitate and not burn the same way they would if in solution.

 

I have other nanoparticle syntheses that are much more benign if you'd like them. There is a general method where you mix the nitrates or chlorides of your desired metals in hot water with oleic acid and drip in NaOH with stirring. You still need to roast them to remove the water, but good uniformity and small particle size (under 50nm) is achieved. The oleic acid helps prevent oxidation in some of the more sensitive +2 metal states like iron and manganese.

[DeAdFX]

I've looked into this somewhat too. If you want to start a new thread on the matter, let me know and I can split it off. Going off of copper chromite being an excellent whistle catalyst, I've been looking into other transition metal spinels to make excellent whistle catalysts. The below method of making them has the advantage they form as nanoparticles.

 

I am somewhat doubtful of your proposed route. The biggest problem is that your chemicals are going to combine and immediately precipitate copper chromate. Being a solid, I don't think you'll get the same reaction. Presumably it operates by causing an auto ignition between the nitrates and glycine. All your good stuff will be a precipitate and not burn the same way they would if in solution.

 

I have other nanoparticle syntheses that are much more benign if you'd like them. There is a general method where you mix the nitrates or chlorides of your desired metals in hot water with oleic acid and drip in NaOH with stirring. You still need to roast them to remove the water, but good uniformity and small particle size (under 50nm) is achieved. The oleic acid helps prevent oxidation in some of the more sensitive +2 metal states like iron and manganese.

 

I think a dedicated thread for the discussion would be best as things could get a little too clustered here.

 

Doh. I was hoping copper chromate would have been soluble:/. I went to wiki solubility table and found out that most of the common chromium (III) compounds (nitrate/sulfate/chloride/etc) are fairly soluble. I only have Chromium (6) so this makes things a little more challenging. I'll need to find a procedure to get chromium in the third oxidization state in. I know that decomposing ammonium dichromate produces Cr2O3 but will the heat released from rxn injury glassware?

 

I am familiar with FCl3 + NaOH --> Fe2O3 + NaCl

What else combos have you tried?

[Mumbles]

If you want to sacrafice your dichromate, it's easy to reduce to chromium 3+ with a sacraficial organic compound or zinc or aluminum. Just acidify the solution and away she goes. Well, the organic route is probably cleaner, as you'll have to neutralize to precipitate the chromium (III) as hydroxide.

 

You can also light a pile of ammonium dichromate on a heat resistant surface on fire, no container required. There will probably be lots of loss, but it works.

 

The reaction I've specifically done is 2 FeCl3 + FeCl2 + 8 OH- ---> Fe3O4 + 4H2O This forms mangenite which is magnetic for the purpose of forming ferrofluids.

[DeAdFX]

Another random idea......

 

Is it possible to hard chrome plate or electroless nickel plate milling media (lead/brass/steel/etc) to extend the medias life? Melonite or nitrocarburizing could be used to treat steel. Both plates are extremely hard and would wear a lot slower than the base metal. On the flip side I wouldn't know if these finishes sparked :/

[NightHawkInLight]

Well, today the second bill that was recently introduced in Michigan to legalize consumer fireworks was shot down. It was fortunate in many respects, as the bill had many strings attached, including making anyone who is responsible for causing a fireworks related injury liable for a felony charge(!!!). The majority of MPAG fought the bill for the reasons of the ridiculous felony charges that could be enforced, as well as quite a bit of wording that would allow large business to monopolize the fireworks market and make smaller business mostly impossible. It was a bittersweet outcome. One more year to wait until we go for it again with hopefully a much more reasonable bill. Unfortunately, there will also be one more year of shooting fireworks by permit only, or under the cover of darkness, as it were.

[Peret]

quite a bit of wording that would allow large business to monopolize the fireworks market and make smaller business mostly impossible

Ah, not really surprising. Bills only get introduced because somebody paid for the lobbying, and they'll want to make their money back. The felony part will be the price of somebody's vote - they're paying for their monopoly by selling your civil rights. Typical.

[TheEskimo]

Welp, I haven't been by in a while. Applied to Rensselaer and two other colleges left unnamed unless I get accepted. Haven't worked much with pyro lately. Applied to Staples, and hopefully I'll have an interview next week. 'Twill be for saving for pyro and a computer. I'm thinking about getting some KCLO3 to make some smoke devices. Hope everyone had a great holiday season.

[pyrogeorge]

Hi,

Has anyone try Weingart Granite star composition?worthwhile or not?i would like a granite star compo and i will try this..

thanks

[NightHawkInLight]

Here's a pretty interesting clip I came across:

http://www.youtube.com/watch?v=U_bZZt1zs60&feature=related

[Mumbles]

With better methods you get a purer product and increase your yield 5 fold at least. That is after destroying the other alkaloids too.

[NightHawkInLight]

With better methods you get a purer product and increase your yield 5 fold at least. That is after destroying the other alkaloids too.

That was my thought. We could revolutionize the drug trade.

[Mumbles]

I think it'd be better to just genetically engineer a superstrain that has like 20x the natural amount of cocaine, and thrives in South Dakota or something. We can't be supporting the cartels of course.

[Peret]

With all that gasoline, ammonia and acid, the Health and Safety people would shut you down in a heartbeat. Besides, the Government hates competition.

[Updup]

Here's a pretty interesting clip I came across:

 

Huh, that was interesting, but just look at all the crap that goes into that. What a sad life, to make it or smoke it.