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Mass Spectrometry Fragmentation Part 1

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26 июл 2024

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Комментарии : 115

@Sky-pg6xy 3 года назад

“Lets learn how to do it, and do it quickly” What a pro.

@mrobireonomewilliams2998 3 года назад

Thank you sir... Read my books and I was confused this video just made my day. God bless you... I will need videos on IR and NMR

@christinalatsko3525 5 лет назад

This is the most helpful video I have EVER watched for organic chemistry. You really make it straight forward, and explain things clearly. Thank you.

@manajanasena1461 6 лет назад

Haiiiii sir I'm following your channel from 4 years Sir you are tooo great..I don't know how to explain my happiness on you sir...Today i got good command on Spectroscopy that's only because of your lecture.. Your teaching way is awesome 😃😃😃😃 feeling happy I became a student of you sir

@pavankumarsingh7953 6 лет назад

No one can explain better than this....... One of the best video on MS Thankyou knowbee

@Knowbee 6 лет назад

Thank you for your very kind compliment!

@evanie1159 4 года назад

I dont know a more proper way to thank you!!!!! You have helped me understand fragmentation in a very clear, simplistic manner!!!! Thank you so much!

@jakehauhnar8462 6 лет назад

this is better than class...im gonna share this to all my classmates...

@sasukeuchiha5391 Год назад

Hat's off sir.... superb explanation Nobody can explain like this on whole RU-vid.. Thank you very much...

@7SweetPearl 6 лет назад

Exactly what I needed! thanks so much! ^^

@nurfatanah8675 4 года назад

masa study degree dulu..xfaham lansung konsep fragmentation in mass speck..but thanks to you my understanding about fragmentation was crystal clear

@studysgood5027 5 лет назад

I like it well explained keep on such quality forever. ..plz..

@asiaeamdani2054 Год назад

i dont care how old this video is, but amazing!!! Ur helping the future man, keep up the goood work;)

@pooja2153 6 лет назад

Thank you so much You made this look very easy

@khathutshelo2874 6 лет назад

Top site great explaination, thank you.

@smile4992 6 лет назад

Excellent explanation. Very helpful video.

@Narwhalez101 4 года назад

Super clear , thank you!

@anthonychoyo9203 3 года назад

Thank you so much, Sir. This helps a lot .

@mahmoudsamaha8256 6 лет назад

you are fabulous man !!

@dr.shaileshkoradia6691 4 года назад

Very good video for understanding of mass fragmentation

@hussaian143 6 лет назад

Good explanation.....it is helpful to competative exams

@AminAhmedtour 7 лет назад

Thank you for such great and understandable explanation Dr.

@Knowbee 7 лет назад

You're welcome! Thank you!

@user-yw4mo9ph2w 2 года назад

@reemakhalid5424 Год назад

From the bottom of my heart, thank you🥹💜💜🌸

@animeshmukherhee7036 6 лет назад

Fantastic explanation

@mchristofakis 6 лет назад

excellent! really helpfull!

@josefsadki7158 5 лет назад

I agree with you Andrew 100%

@jdftba4164 7 лет назад

So just to be clear, in the last part of the ethyl example, it is possible to cleave off either methyl group (on the right side or the left side) to produce the 101 g/mol peak. It just wouldnt be a very big peak, even though two possibilities were contributing to it.

@kotamariyababu6515 4 года назад

Very helpful video.thank you so much

@iliasjamouchi7333 5 лет назад

Hi ! I think at 16:20 there is a mistake : CH3-CHBr-CH3 because it cant be a CH2 at the end I think. And also at 16:35 : I have 122 g/mole and 124 g/mole It's only for helping you :) and thanks for you job it's realy great ! :D

@favourifezue1201 5 месяцев назад

Thank you for this I got confused so i had to check the comment section

@Gabrielaanm 5 лет назад

Thank you so much for this video, helped me a lot!

@esmeralda_jenn 7 лет назад

Perfect explanation! You helped me a lot! iPerfecta explicación! iMe ayudaste mucho!

@Knowbee 7 лет назад

Great! Good luck in all your studying!

@daliaalfaris763 7 лет назад

Knowbee hkkj

@BilalAhmad-sr5uw 4 года назад

Thank you so much..sir..I got so much from you

@bic1349 Год назад

AMAZING VIDEO!

@mr.lonely2825 5 лет назад

thx man ur the best

@LienNguyen-rm5zt 6 лет назад

omg thank you thank you thank you!!!!

@justsnob 4 месяца назад

Brilliant!

@sadafch64 5 лет назад

Most helpful video..

@kajolhanchate1715 Год назад

This video saved me ❤

@piyush7349 4 года назад

Best explanation on could get on this topic 👍👍👍👍👍👍👍👍👍👍

@oukournabil 5 лет назад

Since i ve seen this video i decide to subscribe in ur channel

@a.a.2752 3 года назад

really appreciate the tidbits of reassurance and encouragement midway because it definitely was starting to feel overwhelming but i am glad to say i am leaving with better understanding of the topic so thank you !

@muafiamushtaq7080 3 года назад

Nice explanation... Just saved my time.

@mortazam.qassem5194 2 месяца назад

You're a godsent

@yshlglnct9600 5 лет назад

THANK YOU SO MUCH

@fatmareber7189 Год назад

Vielen Dank,♥️this vid save ma life XD

@kodrayvibez9486 4 года назад

I appreciate for your helpful

@Nobody7011-i6h Год назад

Thank you so much

@vijayamaurya2991 5 лет назад

nice explanation

@adamsilvester978 2 года назад

Excellent video! Excellent delivery and easy to understand but McLafferty rearrangement?

@goutamdebnath1427 5 лет назад

সেরা।

@vvvvv800 6 лет назад

God bless you

@chemmuhammadasifsheikhsult844 3 года назад

Very nice deliver of lecture

@EcExplorer 6 лет назад

Thanks man!

@chemlerner 3 года назад

Very good explanation

@sumairashoukat7876 5 месяцев назад

Superb

@SsSss-hq3xp 5 лет назад

Thank you

@Master_mindians 7 лет назад

very well explained sir..Thank u very much

@Knowbee 7 лет назад

You're welcome! Thank you!

@romulus2225 3 года назад

At 14:08, isn't that ethyl daughter molecule technically an anion? Can a detector be introduced to detect this? Shouldn't it be curved in the opposite direction of the cations of interest, or is it truly neutral and flows straight to the exhaust in the MS?

@songohan393 2 года назад

thank you

@v.smourya8005 7 лет назад

You just saved my SEM exam boy !!!!! :D Thank you very much :P :) ... tomorrow's my chem exam :D

@Knowbee 7 лет назад

Wow! Glad I could help on the exam! Good luck on all the rest! And thanks for the compliment!

@v.smourya8005 7 лет назад

I would have definitely failed but i scored far more than i expected ... 72/97 :O ... Once again Thank you @knowbee :) :)

@fjrfree 5 лет назад

What if there's no halogen in the structure? Which of the electron that gonna be beam?

@lunbabuichiru6320 2 года назад

brilliant

@GodlikeIridium 2 года назад

Or the lazy answer to the question: No m+2 so no halogen. So it must be the third one. Great video easily explaning ms interpretation!

@spark-sp-avb2548 5 лет назад

Thanku sir

@mbalenhlemthembu4147 6 лет назад

Thank God i found you. 😘😘

@Knowbee 6 лет назад

Thank you!

@zeeshanqasim8925 4 года назад

If the fragmentation products are not initially identified, then how do we will decide about them, when we are seeking the ecotoxicity of parent vs daughter compounnds

@shoaibhassan3891 7 лет назад

thank u so much sir... your official website is close.. plz help where can I get the full course with notes

@akeedasharma4249 5 лет назад

Very helpful video! as tomorrow is my test. So much clarity in the visual representation. 👍I have a couple of doubts 1. Why the electron beam remove electron from the hetroatom atom such as oxygen, halogen and not carbon? 2. Why methyl radical peak was generated when alpha cleavage was done from right hand side?? Looking forward to the answers.

@himakshisaikia2323 4 года назад

Akeeda Sharma well I think that the electrons on heteroatoms such as oxygen, nitrogen are loosely held as these have lone pairs of electrons (non bonding electrons)...similarly for halogens.

@mohammedhassanelsayed7563 5 лет назад

please can you help me at fragmentation of isopropyl isobutyl ether?

@shezaakhter6879 5 лет назад

I thought I’ll never understand mass spectrometry 😭 but thank God I found this video Thankyousomuch🌹

@vasramasihombing9102 9 месяцев назад

@DJ-lf6sv 4 года назад

super video

@heisencatt Год назад

perfect

@Ga3meRAdr3 4 месяца назад

underrated

@shaniyazehra2900 2 года назад

Hey ... please can you tell me the reference from where you bring the content?

@baileyedmonds1080 5 лет назад

how would terephthalic acid fragment???

@Realeyeiz 3 года назад

Maestro

@emmy6743 7 лет назад

nice

@hussaian143 6 лет назад

plz sir concentrate on mclafferty rearr. of ESTERS & ACIDS

@shi5702 3 года назад

thank you thank you ;-; i didn't understand anything from the textbook

@zareaalzarea836 6 лет назад

your work is great, but you need to change the colors to something else not gray and green thanks

@fhdjdnfjfkcbfjdndn4827 6 лет назад

00.36 am and im about to cry of happiness

@canipoo 4 года назад

that's rookie numbers

@pamplemousse5546 6 лет назад

Is the electron beam always going to knock out an electron from the lone pair? Because on a question that said "draw all the possible cationic fragments of the following molecule" my professor drew also the possibility of knocking out on electron from a bond.. I was really confused because I always thought it was the atom with lone pairs that gives up one electron.

@Knowbee 6 лет назад

Good question. The beam can also knock out bonding electrons. I have videos about this. Go to my channel and watch all the fragmentation vids and you will see.

@pamplemousse5546 6 лет назад

Thank you!!

@ramden2002 4 года назад

Can u please explain x Ray crystallography

@asmaramzan1110 3 года назад

👍👍

@debebebirhanu3256 3 года назад

any best book you can point me thanks

@areejowais9115 7 лет назад

الشرح كتير ممتاز بس ازا في مجال تعمل شرح للspectrum كلو مثلا كيف بصير فقدان للماء بالketone or ester وكيف منفقد الCO في المركبات ؟؟

@TheDeevanesh 7 лет назад

at 15.14..... in alpha cleavage..... there should be 4 electron on chlorine instead of 5. after fragmentation

@Knowbee 7 лет назад

You are correct, sir! Sorry for the confusion. And thank you for the clarification.

@gilmor1 3 года назад

God bless the teacher 🙏🏾

@ardenharan2201 7 месяцев назад

Excellent video, very helpful. Also, you said "cleavage," tee hee hee.

@yarubandiprasad319 2 года назад

Where is the butyl in s-butyl isopropyl ether

@schwarz_gelb 4 года назад

12:00 für die Übungen Grüße gehen raus an alle Freiburger!

@yarubandiprasad319 2 года назад

Instead of ch2 we should write ch3 at the starting stage

@Alrukitaf 2 года назад

Sorry for nitpicking- species is singular and plural - that’s why we don’t talk about the human specie, it’s the human species, even though it’s only one.