I’m 67 and this immediately brought back memories of high school chemistry, where first lessons were making pippets, bending glass tubing, leaning names of glassware. Thanks and best regards
8:07 That is not a dropping funnel... that is a Soxhlet extractor! A dropping funnel is used to add solvents or solutions to a apparatus. A Soxhlet extractor is used to continuously wash a solid material with a solvent to extract some solubile compond.
I am teaching pharmaceutical chemistry to undergraduate pharmacy students in Kenya and I have found this video invaluable for introducing the students to the proper language of the chemistry lab and the purpose of each piece of equipment and glassware
Hi Sir, please I need your help. I am also a Kenyan teaching a private school here in Nairobi. please can you suggest a proper source to buy scientific equipment or laboratory glassware thanks
Being a novice borosilicate glass blower, this should be interesting. I've been thinking about taking a couple of classes for technical glass ware. I like the idea of creating something with someone else that no one has ever seen before.
Hi Dave !! :D Awesome video !! These series is going to be amazing. One thing tho.... in 8:07 the glass were shown is not a Dropping Funnel, is the extraction part of a Soxhlet extractor.
I started homebrewing recently and was looking for better methods of measurement and chemical transfer. This video helped me a lot and was very informative. Thank you for the in depth explanation of each type of glassware.
Please do more videos like this! I just watched a few of NileBlue/NileRed's Chemistry videos the other day and was very fascinated to the point of wanting to order some chemistry supplies like the ones in this video lol. But this video was very helpful and brought back that same feeling. I love how you went through each item and methodically laid out what they were for and how they worked. Keep up the great work, my friend!
What you call a Dropping funnel is actually a Soxhlet Extractor. It is used over a refluxing flask of solvent, and fitted with a condenser in order to extract a natural product that is placed in a paper thimble inside the extractor.
I know it is summer break but what you need to know is that when I came back to school it was hard on me so I need to learn as much as possible.I thank God I passed my test but I will study. This video will help me a lot thank you sir
Having never taken a chenistey course because my highschool didn't have a lab because it's too small, I had no idea what each item and container was used for! Thanks!
This is giving me a severe PSTD. While pursuing biochem, my labwork teacher forced me to memorize about a hundred different abreviations (with 0 logic to them) for various types of glassware, or she'd fail me. Anyway, in the end I somehow managed, but with couple more challenges like that down the line, I lost my passion for biochem and motivation to learn, and eventually dropped out of the university during the last year of study.
When I got my biochem degree I had lots of horrible professors. If you ever want to rekindle your love of biochem, check out Andrey K. His biochemistry playlist is the best thing I have ever seen on the internet. Mind-blowing stuff. He's taught me all the stuff that I wished my professors would have taught me.
This really hit me in the "feels" and took me back to high school chemistry and college. For the young folks reading the comments: go to your labs! Seriously. GO TO YOUR LABS! Your companion laboratory curricula can actually be a lot of fun, make for a great way to meet people (especially as an undergrad when you'll be doing lab-partner oriented exercises), and your grade that semester is absolutely dependent on your academic performance AND your lab attendance. Undergrad lab work is just about showing up and learning the basics, folks, it's nothing to be intimidated about, I promise!
Dave, I am a Theist and question the Evolution theory alot more than I request the 6K year theory, but I just want to say, your voice is so soothing, I could sleep listening to it
I can remember from early A-level chemistry class being taught how to fold filter papers - from the simple double fold to the more intricate "fluted" arrangement (aka concertina folded), which helps when filtering a hot solution by minimising physical contact with the funnel and hence reduces the rate of heat loss. It occurred to me at the time that surely it would save time and effort if you could get filter papers which had been made this way in advance. Later that day, I discovered that you can indeed get those - just from the supermarket, where they are routinely sold as "coffee filters". Because of course doing a solvent extraction of ground coffee beans (which is essentially what automatic coffee makers do) also benefits from keeping the solution hot. So here's my question: Why are "pre-fluted" filter papers available in supermarkets, but not from lab supplies catalogues? Why are coffee drinkers afforded this convenience, while those doing practical chemistry have to make their own? It can't be down to expense, since coffee filters are dirt cheap, and lab filters are way more expensive. Anyone got any ideas?
I almost failed in a lab exam when I overfilled the volumetric flask making the concentration of the solution low. This is very bad while doing titration experiments Somehow I calculated how much extra water I added , did the math and the titration(whose values was way beyond actual value) , calculated theoretically and reported those values
8:06 This is not a dripping funnel with a pressure equalizing tube, but a Soxhlet extractor. You can recognize the Soxhlet extractor by the siphon on the side next to the glass tube for rising the solvent vapors. In addition, the ground glass joint at the upper end of the Soxhlet extractor is usually much larger than that of a dripping funnel. A Soxhlet extractor does not have a valve at the bottom, so it cannot be used as a dripping funnel. A chemist should already know the difference.
@@ProfessorDaveExplains Thanks i'll check it right now. Also keep up this amazing job that you do. Not many people have the passion and the knowledge to explain and divulgate science. And i'm glad i found This channel. as Carl Sagan said "We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology". and you Professor Dave you are one of the few persons that shows to all the world the importance of science in our society. Thank you very much
Man I wanted to show them vacuum filtration through the erlemneyer with the arm but Mike disabled all gas feed streams and vacuum stream out of the lab. Buckner yeah that's the word.
I did a year of chemistry in college, before switching studies. Our student society, when having parties, had the option to drink beer from an erlenmeyer at a small discount. It was horrible to fill on the tap 😂
Came here trying to to figure out what my bottles from the UW surplus store are called and if they are autoclave safe (with or without the pouring liner). They're the ubiquitous ones with the big blue lids. I thought they were called culture jars but searching that yielded nothing. Cool video but why didn't you cover bottles at the beginning? Seems like the most basic piece of equipment.
If you break the flask, then it becomes a face shredder. In all seriousness though, do wear your safety glasses because glass can get in your eyes when broken
If you had a borohydride for example, it’s easier to use higher pressures and mechanical engineering, which is because of the low heat. Of course every lab is flexible, but personally you can’t stock up on glassware and expect everything to work. You will most likely encounter issues if it’s new.
01:05 - Beakers
02:03 - Graduated Cylinders
02:43 - Test Tubes
03:18 - Erlenmeyer Flask
04:02 - Buchner Flask
04:26 - Buchner Funnel
04:54 - Filter Funnel
05:09 - Powder Funnel
05:38 - Spatula
05:51 - Stirring Rod
06:04 - Pipette
06:23 - Burette
06:46 - Volumetric Flask
07:19 - Separatory Funnel
08:06 - Dropping Funnel
08:42 - Mortar & Pestle
09:00 - Round-Bottom Flask
09:49 - Reflux Condenser
10:47 - Clamps & Stands
11:28 - Column
11:57 - Filter Paper
12:29 - Watch Glass
12:42 - Evaporating Dish
12:56 - Melting Point Tube
13:22 - NMR Tube
13:44 - Fume Hood
13:52 - Hot Plate/Stir Plate
14:35 - Scale/Balance
Thank lord
Yo wonderful person!
thank you
Thank you!
Did you use AI for this or did you seriously mark them all by hand?
I’m 67 and this immediately brought back memories of high school chemistry, where first lessons were making pippets, bending glass tubing, leaning names of glassware. Thanks and best regards
2
Ur memory is too sharp😊
8:07 That is not a dropping funnel... that is a Soxhlet extractor!
A dropping funnel is used to add solvents or solutions to a apparatus.
A Soxhlet extractor is used to continuously wash a solid material with a solvent to extract some solubile compond.
weighage
Great!
Yeah I was like wtf …
Went into the comment to say this exact thing, and I'm not even a chemlicker.
As a chemist, one of the first things you'll learn is that all lab technicians on duty are all named Igor.
Yeah that's my Igor! Chrome rims on igor!
I am teaching pharmaceutical chemistry to undergraduate pharmacy students in Kenya and I have found this video invaluable for introducing the students to the proper language of the chemistry lab and the purpose of each piece of equipment and glassware
Hi Sir,
please I need your help. I am also a Kenyan teaching a private school here in Nairobi.
please can you suggest a proper source to buy scientific equipment or laboratory glassware
thanks
Being a novice borosilicate glass blower, this should be interesting. I've been thinking about taking a couple of classes for technical glass ware. I like the idea of creating something with someone else that no one has ever seen before.
Hi Dave !! :D
Awesome video !! These series is going to be amazing.
One thing tho.... in 8:07 the glass were shown is not a Dropping Funnel, is the extraction part of a Soxhlet extractor.
That was the shortest 16 minutes I've had in a very long time - thorough, interesting and absorbing.
I started homebrewing recently and was looking for better methods of measurement and chemical transfer. This video helped me a lot and was very informative. Thank you for the in depth explanation of each type of glassware.
Adaptors, capillaries, mass vials, TLC chamber are important too.
Great work Prof. Dave
Great start in this outstanding series. I like the fact that i am so familiar with this topic since i prepare all kinds of dyes in my pathology lab
Please do more videos like this! I just watched a few of NileBlue/NileRed's Chemistry videos the other day and was very fascinated to the point of wanting to order some chemistry supplies like the ones in this video lol. But this video was very helpful and brought back that same feeling. I love how you went through each item and methodically laid out what they were for and how they worked. Keep up the great work, my friend!
He's got at least 4 more videos in this playlist, and 200+ more videos about chemistry spread across a few other playlists.
What you call a Dropping funnel is actually a Soxhlet Extractor. It is used over a refluxing flask of solvent, and fitted with a condenser in order to extract a natural product that is placed in a paper thimble inside the extractor.
So cool to see this video's process from the beginning, when you first asked for viewers working in labs, to now :)
I know it is summer break but what you need to know is that when I came back to school it was hard on me so I need to learn as much as possible.I thank God I passed my test but I will study. This video will help me a lot thank you sir
Thanks for the video Professor Dave.
I took chemistry a few years ago and this will help me remember everything again
Having never taken a chenistey course because my highschool didn't have a lab because it's too small, I had no idea what each item and container was used for! Thanks!
I love the charisma of the guy showcasing the items, give him my complements
your glassware model looks like he's having the best day
This is so interesting! The time it for all of this to be made and invented in history must be so involved!
13:29 "Spectroscopy needs a container"". That joke will never get old.
I don't think I remember a sponsorship on your channel. really proud of you
Great video! Will you cover the logic behind adding measurement errors?
Actually a Soxhlet extractor is shown when you talk about a dropping funnel.
This is giving me a severe PSTD. While pursuing biochem, my labwork teacher forced me to memorize about a hundred different abreviations (with 0 logic to them) for various types of glassware, or she'd fail me. Anyway, in the end I somehow managed, but with couple more challenges like that down the line, I lost my passion for biochem and motivation to learn, and eventually dropped out of the university during the last year of study.
Looks like you had a bad teacher. I hope you can rediscover your passion for it one day though.
When I got my biochem degree I had lots of horrible professors. If you ever want to rekindle your love of biochem, check out Andrey K. His biochemistry playlist is the best thing I have ever seen on the internet. Mind-blowing stuff. He's taught me all the stuff that I wished my professors would have taught me.
@@backstreetfan2887 oh waoo i also watch AK Lectures!
I thought that was a normal thing to do, everyone is required to do it here or they give low grades cause it's essential to maintain lab safety
This really hit me in the "feels" and took me back to high school chemistry and college.
For the young folks reading the comments: go to your labs! Seriously. GO TO YOUR LABS! Your companion laboratory curricula can actually be a lot of fun, make for a great way to meet people (especially as an undergrad when you'll be doing lab-partner oriented exercises), and your grade that semester is absolutely dependent on your academic performance AND your lab attendance. Undergrad lab work is just about showing up and learning the basics, folks, it's nothing to be intimidated about, I promise!
Even though i have no affinity with this whatsoever, it was very easy to follow and interesting.
Great job 👍
Hate that UA-cam doesnt recomend me fast your videos. I love everything you do.
3m subs?
Dave, I am a Theist and question the Evolution theory alot more than I request the 6K year theory, but I just want to say, your voice is so soothing, I could sleep listening to it
You should watch my biology tutorials.
I can remember from early A-level chemistry class being taught how to fold filter papers - from the simple double fold to the more intricate "fluted" arrangement (aka concertina folded), which helps when filtering a hot solution by minimising physical contact with the funnel and hence reduces the rate of heat loss. It occurred to me at the time that surely it would save time and effort if you could get filter papers which had been made this way in advance. Later that day, I discovered that you can indeed get those - just from the supermarket, where they are routinely sold as "coffee filters". Because of course doing a solvent extraction of ground coffee beans (which is essentially what automatic coffee makers do) also benefits from keeping the solution hot.
So here's my question: Why are "pre-fluted" filter papers available in supermarkets, but not from lab supplies catalogues? Why are coffee drinkers afforded this convenience, while those doing practical chemistry have to make their own? It can't be down to expense, since coffee filters are dirt cheap, and lab filters are way more expensive. Anyone got any ideas?
great, now i know the names of the pieces of equipment i need to set up my meth lab. you're the man, dave!
8:56 "fun to use" 😁
Handled most of this equipment many many times throughout the years.
Wow, this took me back to myHigh School days. That was soooo long ago
thats cute. what'd you do, precipitate NaCl? LOL
YESSSS My favorite video!! Now I can get what I need and what is use for
send jamal my love!! we love you jamal!!
Really excited for the rest of the videos
This is quite exciting and it was 'only' a video about some glasses xD Waiting for more
Brings back memories of high school chemistry
Excellent video! I am slowly building a small lab for fun and education.
I almost failed in a lab exam when I overfilled the volumetric flask making the concentration of the solution low. This is very bad while doing titration experiments
Somehow I calculated how much extra water I added , did the math and the titration(whose values was way beyond actual value) , calculated theoretically and reported those values
Loving the custom made demonstration videos!
Im going into High School Sophomore Year Honors Chemistry so this is helping out a ton
Well, we were taught what some of these were in middle/high school science. I'm used to a 'round-bottom flask" being called a Florentine Flask though.
Thank You Professor Dave!
8:06 This is not a dripping funnel with a pressure equalizing tube, but a Soxhlet extractor. You can recognize the Soxhlet extractor by the siphon on the side next to the glass tube for rising the solvent vapors. In addition, the ground glass joint at the upper end of the Soxhlet extractor is usually much larger than that of a dripping funnel. A Soxhlet extractor does not have a valve at the bottom, so it cannot be used as a dripping funnel. A chemist should already know the difference.
Damn thought you had a coupon code for Thermo and I was stoked to use it at work when ordering reagents LOL
Just as I saw it... Isn`t it a Soxhlet extractor which you show as dropping funnel (about 08:10)
Yes, that is a soxhlet extractor.
Very different piece of kit to a dropping funnel/pressure equalising addition funnel.
"It's just basic chemistry yo"
Yes. Some are here for basics. Bcz nobody told em
Rotovaps next please!
Well done... I am missing my inorganic lab after seeing this video.
Excellent stuff, thanks!
thank you Dave!
Good video Professor Dave. When are you going to do one about microscopes? That would be great
Check my microbiology playlist.
@@ProfessorDaveExplains Thanks i'll check it right now. Also keep up this amazing job that you do. Not many people have the passion and the knowledge to explain and divulgate science. And i'm glad i found This channel.
as Carl Sagan said
"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology".
and you Professor Dave you are one of the few persons that shows to all the world the importance of science in our society.
Thank you very much
the forbidden shot glasses 😳
You always make it easier and enjoyable 😉 ☺ 😊
I love the way how you explain things...😊.can u plz make videos on laser
Subscribed 😊 amazing video
13:29 "spectroscopy needs a container"
Flat earther dave: “I KNEW IT! 😡(buy my expensive stuff)”
these tutorial videos are very usefull..thank you so much
This is a really cool episode. I know nothing about chemistry but I like learning about new things.
That's was very useful video!!
I got a thermo Fisher advert before the video
Using a Soxhlet extractor as a dropping funnel is...daring
Man I wanted to show them vacuum filtration through the erlemneyer with the arm but Mike disabled all gas feed streams and vacuum stream out of the lab. Buckner yeah that's the word.
I think most students prefer grad cylinder to beaker for volume of liquid measurements
thank you professor, as i now know how to NileRed
Prof dave. Will there be video about characterization equipment in the future?
Now I kinda want a video on uncommon glassware.
Thanks Jesus.
Nah, thank professor Dave
@@bastelote5463 same thing
I swear there's always going to be people who miss the joke
4:11 My college roommate kept a long neck Buchner flask in our dorm for some reason.
8:57 totally agree
I did a year of chemistry in college, before switching studies. Our student society, when having parties, had the option to drink beer from an erlenmeyer at a small discount. It was horrible to fill on the tap 😂
Man that silly intro is always great 😂👌
How did you get the footage? Are there stock footage for all of these?
He contacted someone to help make this footage that goes along with his narration. His name is in the description
I hired a chemist to get the footage.
@@ProfessorDaveExplains thanks for the explanation
Some of my students probably used their hand instead of the mortar and postal for calcium bicarbonate because of my personality!
The medical hemp bar looks like an e cigarette but it makes you stoned and sleepy. Pretty funny!
Sir !In which subject do you expert??
Can you explain curvilinear coordinates?
1l beaker was the biggest my students had
Came here trying to to figure out what my bottles from the UW surplus store are called and if they are autoclave safe (with or without the pouring liner). They're the ubiquitous ones with the big blue lids. I thought they were called culture jars but searching that yielded nothing. Cool video but why didn't you cover bottles at the beginning? Seems like the most basic piece of equipment.
The video presentation dude's stare is unnerving. 😰
Like brooo I'm not gonna nab anything stop staringggg
hello which one is non glassware there?
isnt the dropping funnel a soxhlet extractor?
might look similar but are so different in use
If you break the flask, then it becomes a face shredder. In all seriousness though, do wear your safety glasses because glass can get in your eyes when broken
I learned about all this from Breaking Bad. ;)
Ayy, I was looking for a brba comment (☞ ͡° ͜ʖ ͡°)☞ the classic round bottom flask
Who uses a separatory funnel as an addition funnel? That sounds weird!
Graham condenser for reflux: 🤢
Allihn condenser for reflux: 😎
Thanks you
That's not a dropping funnel, it's the bottom half of a soxhlet extractor
I hated the sep funnel as an undergrad and never taught it as a grad
This is organic chemistry, just wanted to explain that. You can’t for example distill a boron salt with bismuth using normal lab equipment.
If you had a borohydride for example, it’s easier to use higher pressures and mechanical engineering, which is because of the low heat. Of course every lab is flexible, but personally you can’t stock up on glassware and expect everything to work. You will most likely encounter issues if it’s new.
Werner Heisenberg is impressed.
Iam watching it... Yes 🤣 just minutes ago... Professor Dave the Great
The dropping funnel seems more like a soxhlet-extractor to me.
Yes. Because it is a soxhlet.
8:42 I used one for caffeine pills once :D
hiiii
luv the video
Nice channel
2:08 i was expecting it to wear a tiny square academic hat 🎓
2:33 what if reading volumes of liquids forming a concave meniscus?
If I recall correctly, you read it from the top.
Thanks for 581 subscribers. Hoping to reach 1K subscribers this year ❤🎉
Some students broke a few test tubes.