Summary
Summary - Unit 7 - Modern Analytical Techniques I
- Course
- Institution
In-depth complete topic summary notes.
[Show more]
Seller
Follow
megan555lewis
Content preview
MODERN ANALYTICAL TECHNIQUINFRARED IR) SPECTROSCODY
trave susive than over rests
vibrational energy of covalent bonds in a sample peals can disappear whe
oxidised!
W
FREQUENCY OF IR ABORBED DEPENDS ON :
↳ atoms either side of the bond Imass)
↳ the bond within the
position of Molecule
·
↳ band strength
↳ type of vibration
/or polar bands) absorb IR radiation
O
>
polar moles
·
~
non-polar molecules do not absorb In radiation
broad peal signals -
on O
WAVENUMBER
MASS SPECTRA In
BUTANOIC ACID
nnH
3300 25
10
-
1725-17
n - c -
- c -
c
↓ in or
non-fragmented BUTANONE
- molecular ion
-My
20
-
S
peal
I same a Mr)
M +1
- 2-methylpropan-2-o
M/2
!
3540 4S 50 3750 -
3
I most have a +1
charge so this
value will be the same as fragment mass)
FRAGMENTATION
most stable and
1
Relative abundant fragment
Abundance
&
TALLEST
PEAU
+
CHz(H2
⑭ 3 major peans
only +rively charged
↳
fragments will be
+
detected CH3
CH3C
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller megan555lewis. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $5.79. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now