архивы sciencemadness rotovap

Координационная химия. T. 47, Номер 1, 2021

Диоксимы представляют собой удобные хелатные лиганды для синтеза устойчивых координационных соединений (Кc) с широким спектром практического применения: в аналитической и биологической химии, медицине, окраске

Misha Verbitsky

в соотношении 10 к одному. Русский человек живет в аду. и не видит ничего плохого в том, чтобы сей ад. принести всем окружающим, наоборот, после бомбардировки. их жизнь делается ближе к идеалу

Open Source Biology and Biohacking Hack Chat - Hackaday.io

Feb 13, 2019· There is also the recently released Chemputer (open-source), the syringe pumps and 6-way valves are all DIY 3D printed (PFTE filament for chemical contact parts). Seriously an outstanding marvel, but I expect there would be hardware-hacking utility to bring part costs down (computer controllable rotovap & hotplate).

Chem 112B Lab Book S16 Final | Proton Nuclear Magnetic …

Chem 112B Lab Book S16 Final - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Organic chemistry lab manual for CHEM 112B. Spring 2016. UCR.

Vacuum Still, Batch reflux design- A starting point

May 26, 2012· The short version of how a vacuum affects distillation in the case of ethanol/water mix is as follows: In this case the partial vacuum shows a depressed boiling point at "B" where the composition of "Y" (ethanol) is higher than at the higher pressure at B.P. "D" where the composition of "X" (water) is higher.

1309 questions with answers in ETHANOL | Science topic

Apr 04, 2017· Nov 28, 2016. Answer. I think that is also important 1) ethanol is renewable fuel 2) ethanol can use for gasoline engine and for diesel engine …

Hands-on Chemistry - Numericana

Legendary Introductory Books : The Boy Chemist (1924) by A. Frederick Collins [ pdf] Anne-Marie Helmenstine posted a copy provided by Mike Caraat. Alan MacDiarmid (1927-2007; Nobel 2000) said he had kept borrowing a library copy for a whole year as a boy, so he could complete all the experiments.; The Golden Book of Chemistry Experiments (1960)

the hive archive - mdma

RotoVap: Chemicals and Equipment : claude: GAA from > 75% acetic acid solutions: Chemicals and Equipment : 18294: Ammonia Smell correlates to NH3 quality? Chemicals and Equipment : Grignard: sassafras oil: Chemicals and Equipment : 18294: SWIM''s idea for a stealth NH3 generator. Chemicals and Equipment :

Sciencemadness Discussion Board - Homemade Rotovap

Mar 10, 2016· Sciencemadness Discussion Board » Fundamentals » Reagents and Apparatus Acquisition » Homemade Rotovap I''ve recently finished making a rotovap from 3D printed parts and some other parts for a fairly low cost (much less than used or new from what I''ve seen) assuming you have some wood working tools and a vacuum supply.

202 questions with answers in ORGANIC CHEMICALS | Science

Mar 07, 2022· Organic Chemicals - Science topic. Organic Chemicals are a broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without

Misha Verbitsky

в соотношении 10 к одному. Русский человек живет в аду. и не видит ничего плохого в том, чтобы сей ад. принести всем окружающим, наоборот, после бомбардировки. их жизнь делается ближе к идеалу

Reduction of Nitroalkenes with Aluminium Amalgam - [www

I. Introduction. This procedure describes an efficient, high-yielding and completely OTC way of reducing virtually any nitrostyrene OR phenyl-2-nitropropene using aluminium amalgam. Initially this approach to reducing nitroalkenes was pursued by SunLight1 based on an old German reference 2. However, due to the suboptimal work-up strategy, his

Purifiion of the crude Platinum from Dental Alloys

Oct 11, 2011· On the separation of Ir and Rh from Pt. Try covering the crude Pt sponge in 32% HCl and adding 35% H2O2 a few ml at a time until nothing else dissolves. Your should achieve an orange solution which precipitates nearly pure Pt with a saturated KCl solution at 10C or less.

opennet.ru

65. "Опубликована 58 редакция рейтинга самых высокопроизводительн" +3 + / – Сообщение от

Sciencemadness Discussion Board - Buchi Rotovap for sale

Sep 05, 2021· Buchi Rotovap for sale - $650 Looking for a new home for my Buchi r-124 rotovap and waterbath. Comes with the rbfs and the dry ice condenser. All working well. Photos are attached, please reach out with any questions. Willing to ship at your expense. More details:

Texium Labs 3.0 Reveal | Texium

Mar 19, 2018· Texium Labs 3.0 Reveal. March 18, 2018. June 3, 2020. ~ texium. For the last year since I moved for college, I have been working on building a new lab space. I moved all of my equipment and furniture from my old lab, and have acquired some more since then. I built my own working fume hood, since the new lab is in a garage with no windows.

Adventures in Vacuum Concentration - Page 2 - eGullet Forums

Feb 19, 2020· So I''ve been reading and re-reading the section in Modernist Cuisine on vacuum concentration. Seems like a really powerful idea, but even MC does not contain sample recipes for this (that I can find). There are a handful of rotovap recipes a few pages later, but no vacuum concentration. (BTW, hard to believe MC is 9 years old now.

General, Organic, and Improvised Chemistry Page 3 | Sulfuric …

General, Organic, and Improvised Chemistry page 3.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

Cooling Tower Vs Chiller Hvac - cafe-weidehof.de

A chiller’s evaporator achieves superheated refrigerant vapor. Superheat is when all the liquid refrigerant has evaporated, and the gas temperature increases above its saturation temperature. The process fluid enters as a hot liquid and exits at a lower temperature after transferring energy to the refrigerant.

the hive archive - mdma

RotoVap: Chemicals and Equipment : claude: GAA from > 75% acetic acid solutions: Chemicals and Equipment : 18294: Ammonia Smell correlates to NH3 quality? Chemicals and Equipment : Grignard: sassafras oil: Chemicals and Equipment : 18294: SWIM''s idea for a stealth NH3 generator. Chemicals and Equipment :

Sciencemadness Discussion Board - Got a new RotoVap

Jul 04, 2021· Subject: Got a new RotoVap! Bmoore55. Hazard to Self. Posts: 66 Registered: 23-7-2018 Loion: Texas Meer Is Offline posted on 2-4-2021 at 06:22: Mine’s been in the Sciencemadness family for three generations now. Come check out the Official Sciencemadness Wiki They''re not really active right now,

Dcm Rotary Evaporator - diakonie-annaberg.de

Jul 09, 2021 A rotary evaporator (rotovap) is a device commonly used in chemical laboratories for the efficient and gentle removal of the volatile solvents from samples by evaporation.They are found in almost every organic laboratory. The rotation flask rotates and shapes a thin film in negative pressure condition by heating; it evaporates; and

Sciencemadness Discussion Board - Buchi rotovap - slipping

posted on 23-1-2016 at 09:12. Buchi rotovap - slipping belt drive. Hi everyone, I have an old Buchi R-124 Rotovap. After about an hour or so of operation, the belt drive begins to slip. The evaporation flask stops suddenly, then rotation starts again in about a second. I''m wondering what might be the cause of this and how I could go about

Sciencemadness Discussion Board - Heidolph Rotovap

Dec 04, 2021· Sciencemadness Discussion Board » Fundamentals » Reagents and Apparatus Acquisition » Heidolph Rotovap Subject: Heidolph Rotovap: Panache. International Hazard. Posts: 1286 Registered: 18-10-2007 Meer Is Offline Mood: Instead of being my deliverance, she had a reselance to a Kat named Frankenstein

Координационная химия. T. 47, Номер 1, 2021

Диоксимы представляют собой удобные хелатные лиганды для синтеза устойчивых координационных соединений (Кc) с широким спектром практического применения: в аналитической и биологической химии, медицине, окраске

Looking to start a home chemistry lab : chemistry

Hi there, r/chemistry, I have a decently-sized proposed project and I was hoping there would be some knowledgeable, helpful people here who could offer some insight!It would be hugely appreciated! I''ve recently graduated with a bachelor''s degree in biochemistry and, as the title suggests, I want to start a chemistry lab in my home.

Seeds To LSD, Comprehensive Tek & Ralings | PDF | Lysergic …

Evaporate off the solvent under vacuum or use a rotovap under reduced lighting 10. Dry under high vacuum 11. Left behind a light golden foam. This crude product is LSD. Per Casey William "Freeblood" Hardison, Entheogen Review, Volume XIV, Nuer 1, page 94: 1. on the other hand just check out the 20 plus page thread at sciencemadness of

"Опубликована 58 редакция рейтинга самых …

48. Сообщение от Аноним (-), 17-Ноя-21, 13:18 +6 + / – >> Пингвинячья лицензия позволяет успешно