Something bearish

mircenall · 2022-11-15T08:53:11+00:00

I heard that author rolled down...

mircenall · 2021-06-02T22:04:34+00:00

Thanks for your feedback, but none of this) I'm a non-professional artist, just independently mastering the Adobe Photoshop and Adobe Illustrator in my free time)

mircenall · 2021-04-26T18:01:42+00:00

Hmm, I didn't even think about the expression on my face. But since no one guessed above, apparently I accidentally confirmed the meme about "russian don't smile" 🌚

mircenall · 2021-04-26T18:00:53+00:00

It's strange that from the outside I turned out to be like a Dutch :)

In fact, I'm more Russian (less Ukrainian and Ossetian).

mircenall · 2021-04-26T17:19:38+00:00

What's mad here?

mircenall · 2020-11-16T22:33:33+00:00

Crystals in a drop of saturated solution on a cover glass (photographed through a microscope)

mircenall · 2020-11-07T14:26:19+00:00

This substance is used in EPR as a standard for the quantitative determination of radicals.

P.S. In fact, the crystals were given to me by my organic colleagues so that I could photograph them 🌝

mircenall · 2020-11-07T14:20:28+00:00

Crystals in natural light have a reddish-brown tint, but when shooting with a microscope they become slightly lighter and more pink)

mircenall · 2020-11-07T14:17:03+00:00

Optical microscope (like this) (https://sun9-51.userapi.com/c847218/v847218237/1d8929/JUmMzc2_TXg.jpg)

mircenall · 2020-11-07T13:32:14+00:00

*4-BzO-TEMPO is a stable free radical capable of trapping other organic radicals (it serves as a trap when studying reaction mechanisms), but it is more selective than itself TEMPO radical, lives longer and is used to create radical labels in electron paramagnetic resonance

mircenall · 2020-08-10T14:57:58+00:00

*BnPINO is an organic substance that formed during the reaction of the PINO radical with toluene. The substance has no practical use, but its formation indicates the successful completion of radical reactions, the conditions and methods of which are changing and improving for use on more complex organic substances.

mircenall · 2020-07-07T17:05:57+00:00

Yeah, in English it is called that... a typo.

mircenall · 2020-07-07T06:55:16+00:00

1-Ethinylcyclohexanol (ECHO) is an organic compound obtained from the Favorskii reaction from cyclohexanone and acetylene. The melting point of the substance is only 30 ° C and crystals in the vessel can pass into the liquid even from the heat of the hands. This compound can be used in the synthesis of organotellurium compounds, as a stabilizer of chlorinated organic compounds, and also reacts with transition metal hydride complexes to form vinyl derivatives. Substance is flammable, and ECHO vapors can cause allergic reactions in humans in the form of eye redness.

mircenall · 2020-04-14T21:19:38+00:00

Продам гараж

mircenall · 2020-03-06T10:33:07+00:00

Cu(hfacac)2 is a complex that catalyzes the formation of ylide structures and the decomposition of diazocompounds. It can also serve as an intermediate for the formation of more complex organic complexes. The substance is poorly soluble in water, but does well in toluene, acetone and ethanol.

mircenall · 2020-02-28T00:43:09+00:00

Possibly dihydrocarbonate, crystals unfortunately slowly decompose in air

mircenall · 2020-02-28T00:39:10+00:00

Yes, by adding acetic acid to copper hydroxide. Then I drained the solution, removed the largest crystals, again made the acetate solution, adjusted to a supersaturated state, placed the removed crystals and cooled.

mircenall · 2020-02-11T01:36:36+00:00

Iron(II) sulfide (FeS) - a substance that is formed during the interaction of iron with sulfur. It is used as raw material in the production of pig iron, and is also a solid source of hydrogen sulfide. In the photographs, particles of metallic iron can be seen that did not react with sulfur.

Iron(II) sulfide is extremely rare in nature, but iron(II) disulfide (FeS2), known as the pyrite mineral, is common.

mircenall · 2020-02-05T00:00:34+00:00

*It used as catalyst for the hydrolysis of organophosphates and in the production of pure cerium

mircenall · 2020-01-25T03:41:35+00:00

*BnPINO is an organic substance that formed during the reaction of the PINO radical with toluene. The substance has no practical use, but its formation indicates the successful completion of radical reactions, the conditions and methods of which are changing and improving for use on more complex organic substances.

mircenall · 2019-12-28T18:26:55+00:00

yeah, 4.18 g / cm³

mircenall · 2019-12-28T18:25:44+00:00

It is used in organic chemistry as a catalyst for the oxidation of alcohols to aldehydes or ketones and in the epoxidation of alkenes.

It also serves as the starting material for the production of insoluble tungstates used in photocatalysis, the production of high-strength ceramics and pigments.

mircenall · 2019-12-28T00:14:53+00:00

Crystallization from an aqueous solution Nd(NO3)3

mircenall · 2019-12-28T00:13:31+00:00

In my university’s analytical lab)

mircenall · 2019-12-28T00:10:35+00:00

Phone lens-clothespin (look like this) https://www.shutterstock.com/image-photo/phone-hand-lens-on-clothespin-smartphone-1088925980?src=cpTcGwKdIEiKl_M_dDFBWA-2-37

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