OMB Meeting Book_9-11-14

ISO/WD

Figure B.3 — Example of GC chromatogram (insufficient and sufficient resolution for C18:1 trans)

pA

pA

10

4

5

6

7

8

9

4

5

6

7

8

9

C18:1 trans C18:1 cis

C18:1 trans C18:1 cis

t

1 R

t

t

1 R

2 R

t

2 R

t Δ13,14 (cΔ6-8)

t Δ13,14 (cΔ6-8)

W

W

½)1 (

½)1 (

W

W

½)2 (

C18:1 cΔ9 (oleic acid) + cΔ10

½)2 (

C18:1 cΔ9 (oleic acid) + cΔ10

R=1.02

R=0.83

19

© ISO 2013 – All rights reserved