f. g. Msot
MS
ethane , little
Ms of elements Of organic COMPOUNDS iragmennaiiii .
gggca.IM
* analysed byms molecules /Nee totorm ions w/
-
* determines mass of molecule / isotope by measuring mass pocnarge ratio , , ;m,
When ,
/
single tve charge → molecular ion Mt
,yµ +
*
,
ions have single + recharge
4> tells us the 12mmol Compound analysed
79 e. g. My 15
m/ 229 30
É A Fragmentation →
+ vein neutral species Harridan Hmas )
lxabund.lt/massoti2xabundl
→
+
• RAM :
Imanol isotope
EE ,, ,,
e. g. Citlsotlt → CHICHI Otlt Using fragmentation patterns to identity
total abundance
,
Fragment ion
24 25 26
MIZ
A MI only death molecular int
fragment ions
É
Number Of bonbons =
height
height
of Mtl
or m
✗
100
i. I
☒ Mt
*
=
peak with 9m12 Value
resin spectrum provides inroonirructure
ÉÉ "
""" +
,
* Plan WI in abundance = base peak
MIZ
Mass Spectroscopy
Aldehydes + Ketones
High Resolution MS Fragmentation Patterns
↳
* cleavage or bonds next to c- oiscnaraverisricoitnem
* commonfragmenriscobuiiisa molecule / unchanged ) won't Produce Peak ,
( produce MK drop 01187
Additional accuracy lmeasuredtod D) advantages -
:
d p positional carbonyl influences frag because molecular in
1) enables peaks to be identified w/ no ambiguity
1) allows hrdisiinguish between molecules Otsame HMM
Halogenoalkanes fragments either side 011=0
* multiple peaks in molecular ion region
→
diff halogen isotopes
Plot R'
.
? •
Alkanes : e. liHsBr
g. , →
!
* there will be two peaks of similar R
'
C R
* for simple hydrocarbons pearson values corresponding
! ↳
I
-
to ions produced by breaking C- C. bonds height ,
One for molecule containing pilot + R .
"
79
Brit one Br
* stability otlarbocarion formed affects abundance
higher peak * MOM Hable Ulyliumion 11110+1 more abundant
* more stable cation ,
,
* more alkyl groups attached to carbocation ,
more liable 111-1511 More abundant the species → taller in peak
* amyl groups are e- releasing + stabilise cation # BMT Plant would have 3 :/ abundance in Ms *
MS
ethane , little
Ms of elements Of organic COMPOUNDS iragmennaiiii .
gggca.IM
* analysed byms molecules /Nee totorm ions w/
-
* determines mass of molecule / isotope by measuring mass pocnarge ratio , , ;m,
When ,
/
single tve charge → molecular ion Mt
,yµ +
*
,
ions have single + recharge
4> tells us the 12mmol Compound analysed
79 e. g. My 15
m/ 229 30
É A Fragmentation →
+ vein neutral species Harridan Hmas )
lxabund.lt/massoti2xabundl
→
+
• RAM :
Imanol isotope
EE ,, ,,
e. g. Citlsotlt → CHICHI Otlt Using fragmentation patterns to identity
total abundance
,
Fragment ion
24 25 26
MIZ
A MI only death molecular int
fragment ions
É
Number Of bonbons =
height
height
of Mtl
or m
✗
100
i. I
☒ Mt
*
=
peak with 9m12 Value
resin spectrum provides inroonirructure
ÉÉ "
""" +
,
* Plan WI in abundance = base peak
MIZ
Mass Spectroscopy
Aldehydes + Ketones
High Resolution MS Fragmentation Patterns
↳
* cleavage or bonds next to c- oiscnaraverisricoitnem
* commonfragmenriscobuiiisa molecule / unchanged ) won't Produce Peak ,
( produce MK drop 01187
Additional accuracy lmeasuredtod D) advantages -
:
d p positional carbonyl influences frag because molecular in
1) enables peaks to be identified w/ no ambiguity
1) allows hrdisiinguish between molecules Otsame HMM
Halogenoalkanes fragments either side 011=0
* multiple peaks in molecular ion region
→
diff halogen isotopes
Plot R'
.
? •
Alkanes : e. liHsBr
g. , →
!
* there will be two peaks of similar R
'
C R
* for simple hydrocarbons pearson values corresponding
! ↳
I
-
to ions produced by breaking C- C. bonds height ,
One for molecule containing pilot + R .
"
79
Brit one Br
* stability otlarbocarion formed affects abundance
higher peak * MOM Hable Ulyliumion 11110+1 more abundant
* more stable cation ,
,
* more alkyl groups attached to carbocation ,
more liable 111-1511 More abundant the species → taller in peak
* amyl groups are e- releasing + stabilise cation # BMT Plant would have 3 :/ abundance in Ms *
