Equipment for an amateur lab - Part 1

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In this video we go over some of the equipment needed for an amateur lab.

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Emil Mikulic
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Phillip Hutchings

[cat]

I purchased a cheap milligram scale on ebay and now my suggestions box looks like a "drug dealer starter pack" ...

[JonathanFosdickNano]

I happened to find a broken hotplate stirrer on eBay and for $16 USD. I took the risk and bought it. The nichrome heating element was burned out in two places (due to corrosion) and I was able to repair it myself. It works great now! eBay is a godsend for me finding used or vintage supplies for a shoestring budget and you will be surprised what reagents you can find there as well.

[LansaDiag]

Don't forget the required voice morpher.

[matthewcoleman]

It's people like you that make me actually try in chemistry class. You really show how fun and interesting science is. Thank you so much for the videos!

[TheDuckofDoom.]

Note on plastic bags polyethylene is quite permeable to water vapor and O2, thus is not suitable for long term storage of sensitive compounds. Polypropylene is one of the more moisture impermeable plastics, and PET is very O2 and CO2 resistant, but if a true vapor barrier is needed nothing beats glass with a foil lined cap. Just know that most foil liners are actually very thinly coated and are meant for pressure sealing or induction heat sealing (both one time use but very effective) This may be why you experienced a poor seal. Foil is also used for solvents that otherwise permeate or soften many plastics.
I came across a test some time back where dessicants(I forget which but it was a commonly used anhydrous salt that works in the sub 10%RH realm) were placed in glass vials with PP caps and induction sealed foil liners, half the caps were removed the liner sliced(with care not to damage the seal area near the edge) and caps replaced. all vial were weighed at each step and at regular intervals and stored in a controlled atmosphere simulating "average" tropical humid conditions(I recall it was quite warm and 80-90%RH). at the end those vials with intact foil had not adsorbed a significant amount of moisture while those with cut foil relying only on the thick PP cap had absorbed a significant amount of moisture.

[genericusername]

Pro-tip on the grease for ground glass joints, the amount you think is enough is ALWAYS too much. When I was first told that in my sophomore organic lab I didn't believe it, then sure enough it was true. For every, single, person, in, every, single, section, every, single, semester. Until you've done it a bit, always put substantially less grease than you think is enough, because what you think is always too much.

[NurdRage]

Still working on the pyrimethamine synthesis, hopefully i'll start it this week. Probably with the distillation of toluene from paint thinner step.

[TheProgManTimSTR]

Your two most important pieces of equipment are your safety glasses and your 100% cotton lab coat.
Put these on, before you do anything, that involves chemicals!

[Invitingword]

Thanks for every thing man, i've been watching on and off for a couple of years, i'm glad to see your getting more and more support. Eventually ill be able to contribute too, more than the commenting, liking and subscribing.
Always happy when someone can take a hobby that they love and turn it into something more than that also while educating other. God bless you in everything you do sir.

[carambatsr]

Great information. In addition to "store bought" equipment, maybe you could refer to household or DIY stuff that limited budgets can manage.

[easkullsmash]

Thanks for the response video! It's a huge help to those of us not yet at the fun part of college.

[PyroShim]

This series of videos is off to a great start! A video about cleaning glassware would be also be very helpful for beginners.

[TheRandomness]

Thank you so much for making this video!

[NightOfFenix]

Safety glove materials maybe are things you should tell about. For example the differences between nitrile and latex, how well they protect you from different chemicals. For example acetone gets through nitrile gloves almost immediately but latex gloves protect you approx. 2 minutes of submersion (I don't know why you should submerge your hand into acetone, but still it would be nice to tell people, that different materials protect differently with chemicals)

[prostrongmanzack]

Thank you for the video! I look forward to part 2!

[jonathanlandham]

How I wish you'd made this series a couple of years ago--great video, as always.  You may want to touch on the 24/29 joint, especially pointing out the intercompatibility of the two standards; I know that had me confused when I started out.  Having used both now, I definitely prefer the US standard, but ISO joints are generally cheaper, and that's likely a big selling point to anyone who needs this video.

[jjasperchan]

this was great, thanks to the patron who requested it!

[paulwardBSc]

Nice to see you checking your balance. Didn't think that would happen out of industry

[naturalscience]

Great and extremely useful video! Thank you a lot!

[mduvigneaud]

Very awesome and informative video! Thank you for sharing! :D