PoorMansChemist profile
PoorMansChemist
PoorMansChemist
Chemistry experiments and demonstrations with a focus on making unusual and not often seen compounds.
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PoorMansChemist

A solution of sodium potassium tetracyanopalladate(II). Not sure what I am going to do about that...

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PoorMansChemist
Public post
I've heard about two other channels that had videos taken down at the same time mine were. Backyardscience2000 told me that Full Modern Alchemist had his most popular video which covered the prep of methylamine nuked at the same time my videos were being taken down. Corrosive Chemistry told me that his video of making trimethylbismuth (which sounds epic as fuck!) was taken down around the same time. He thinks it's because PhMgBr was somewhere in the title. No idea why phenyl magnesium bromide would be used to make trimethylbismuth but maybe it was something related to a previous video or an upcoming project. In any case if he is right then we are at a point where YouTube has a problem with Grignard reagents! I'm the only person I know of who had 7 videos nuked though. So the day has arrived when YouTube is going to start fucking with the chemistry channels for making good content. I am certain this will not be the last of it. I think YouTube has learned to spread shit like that out so people don't revolt and leave the platform. 
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PoorMansChemist
Public post
Palladium(II) cyanide suspended in water. Pd has an immensely high affinity for cyanide to the point that Pd(CN)2 does not react with acids. It is also wildly insoluble. According to Wikipedia it's log ksp is -42!
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PoorMansChemist
Public post
If you try to dissolve a large amount of Hg in dilute to moderately strong HNO3 all you will get is COPIOUS amounts of mercurous nitrate. The HNO3 has to be strong if you don't want to deal with this shit ton of mercurous salts totally passivating the mercury. You can tell when this happens because it will break up to a light grayish powder. That's passivated mercury. If you try to add HCl to form aqua regia it won't do anything except add mercurous chloride to the mix. It cannot oxidize Hg to the +2 state when anything but concentrated. If you add elemental bromine nothing will happen either even if you heat the shit out of it. I found that you must add HCl AND Br2 if you want it to work. I think I may know why. If you can have a Br3 ion and a Cl3 ion why not a Br2Cl ion? After all addition of chlorine to HCl forms trichloride and addition of bromine to HBr forms tribromide. Why wouldn't chloride added to Br2 form Br2Cl? That would be a stupidly powerful oxidizer. Whatever is happening the combination of Br2 and HCl will dissolve mercurous salts rapidly when heated. I depassivates the metal to the point that stirring will cause the Hg to clump up into pools of shiny mercury again and the acid can attack it. I would imagine that chlorine gas would work just as well as bromine does. 
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PoorMansChemist

Hey everybody. Thank you for supporting the organic chem series here. I GREATLY appreciate it! ! ...

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PoorMansChemist
Public post
So I tried precipitating sodium potassium cyanide with a mixture of ethanol and butanol. It seemed to do a little bit better (emphasis on the SEEMED TO part). I have not had a chance to quantify it yet. The cyanide problem is now the only real obstacle to octacyanomolybdate. The new prep should be exceptionally easy to carry out. Hopefully dissolving the cyanide in methanol to recover it will yield better results than water does. 
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PoorMansChemist

Sodium nitroprusside crystal under the dissection scope.

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PoorMansChemist

A 1 gram bar of platinum that has dissolved enough for the crystals in the metal to become visible.

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PoorMansChemist

I want to see if a viable kratom alkaloid extract can be produced using the "Ens Tincture" prepar...

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PoorMansChemist

Purple fire created using calomel (mercurous chloride). It only burned for a short time but was q...

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PoorMansChemist

I have 1 video filmed (my semi-successful attempt at germanium ultramarine), 1 that I am working ...

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PoorMansChemist

I went shopping. :-)

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PoorMansChemist
Public post
Someone made an incredible donation to the channel yesterday. I don't want to call people out and post a name because they have not specifically told me it was OK to do so. But with their donation I was able to get the following:

1 pound of ammonium perchlorate which I will use to make other perchlorates and perchloric acid (either as the pure acid or in-situ from a highly soluble perchlorate). 

1 pound of realgar powder which I will use to do some arsenic chem and pyro mixes (it came from a fireworks supply company). I should even be able to make some of the ever elusive arsenic trioxide with it. If Basil Valentine could pull it off how hard can it be? 

1 pound of pyro grade antimony trisulfide for pyro mixes and other antimony chem. That element is far from played out.

2 pounds of barium chlorate for making other chlorates and probably some pyromixes as well

1 new stir/hot plate that can get hot enough to boil water easily and that won't die in 3 months

5 pounds of sodium hydroxide

5 grams of thallium. I know you all don't like the thallium chems as much (or YT is suppressing the hell out of them) but there is a core audience for those videos who share my fascination with this wrongly maligned element. 

1 gram of thulium

1 blue watch lume kit. I believe the lume contains lumanova or super luminova (strontium aluminate). I have been doing research on restoring the glow to radium dials and this compound was said to give great results. I have a collection of radium dials (I think about 15 at this point) plus some radium sulfate in a barium sulfate matrix. I would like to extract the radium and combine the lume with it to create a modern amateur take on the classic Undark paint. Failing that I can always apply the lume to the watch dials and restore their glow. Either way we are going to get to see radium make shit glow in the dark. I went with blue lume so it would look all cool and cherenkov-y. :-) 

All of that came to slightly more than the donation but that's alright. I was happy to chip in. :-)
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PoorMansChemist

Thallium(I) thiocyanate forms a pinkish solution and when it sublimates it produces a pinkish res...

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PoorMansChemist

Thallium(I) thiocyanate. I would like to use this to make some thiocyanate complexes one day. May...

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PoorMansChemist

Been thinking of a good organic synthesis to do and I think I finally hit on a good idea. I want ...

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PoorMansChemist
Public post
Working on the next video which will be the prep of rubidium terbium sulfate. I was going to make plain terbium sulfate because it fluoresces a beautiful green color (europium sulfate fluoresces reddish and thulium sulfate fluoresces blue; might do them in a future video). However, someone already did a video on terbium sulfate nine years ago and I hate to repeat stuff others have already done. As it turns out you can precipitate terbium sulfate from aqueous solution by adding potassium sulfate solution to it. However I did not have any potassium sulfate but I did have rubidium and cesium sulfates (I use them to make Rb and Cs salts by metathesis with Ba salts). Given that rubidium is closer to potassium I decided to go with that. It's evaporating down now and I am getting some nice crystals. Hopefully it is still fluorescent!! The terbium, europium, and thulium halides are not so the anion does make a big difference. Hopefully an extra cation won't make it unhappy. 
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PoorMansChemist
Public post
The picric acid solution always precipitates crystals of picric acid when it gets cold outside. I have never seen it actually freeze. No matter how cold it gets out here the solution remains completely liquid. The coldest winter nighttime temperature in upstate South Carolina in is about -10C/14F although most of the time it is not THAT cold. There are many days in winter where I can comfortably sit outside in jeans and a t-shirt during the afternoon. Water that is left out overnight does not freeze at all most of the time. That's not to say the winters here are balmy; it usually gets down into the 30s or 40s at night (F). We almost never get any snow but we do get cold, dreary rain come through every few days. That's always fun. It's too cold to run a dehumidifier in the shed so I have to wrap up EVERYTHING I don't want corroding in well sealed plastic. 
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PoorMansChemist
Public post
11.25 grams of arsenic(III) iodide. 
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PoorMansChemist

I am working on three new video essay type videos. The second tryptamine video is coming; I am pu...

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PoorMansChemist
Public post
The dried ammonium hexachloropalladate(IV). 
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PoorMansChemist

Working on extracting out some rhodium, palladium, and/or platinum from an old catalytic converte...

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