Dynamic Head y namic Heads sp space Determination p ace - - PowerPoint PPT Presentation

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Dynamic Head y namic Heads sp space Determination p ace Determination o Volatile Organic Volatile Organic Compounds in a Tar Compounds in a Tar B from the from the from the from the e Gulf of Mexico e Gulf of Mexico e Gulf of

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SLIDE 1

Dynamic Head namic Heads y Volatile Organic Volatile Organic from the from the from the from the

ITT ITT ITT ITT

sp space Determination ace Determination o p Compounds in a Compounds in a Tar Tar B e Gulf of Mexico e Gulf of Mexico e Gulf of Mexico e Gulf of Mexico

August 2011 August 2011 T | T | OI A OI A l ti ti l T | T | OI A OI Ana nalyti lytica cal

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SLIDE 2

Introduction to Introduction to

  • Sensitive at

Sensitive at lo low

  • Complex matri

Complex matric

  • Little or no car

Little or no carr

  • Minimal sample

Minimal sample Minimal sample Minimal sample

  • Rapid

Rapid Rapid Rapid

  • Dynamic Headsp
  • Dynamic Headsp

w parts parts per per billion billion ces es ry ryover

  • ver

y e preparation e preparation e preparation e preparation

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SLIDE 3

Static vs. Dy

SAMPLE VIAL SAMPLE VIAL

Stati Dynam

ynamic Headspace

GC TRAP GC

c Headspace mic Headspace

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SLIDE 4

Equ Equ uilibration uilibration

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SLIDE 5

St St tripping tripping

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SLIDE 6

Drying Drying

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SLIDE 7

In In njection njection

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SLIDE 8

Baking Baking

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SLIDE 9

Sample p Sample p

10 min 10 minu 10 min 10 minu 11 i 11 i 11 11 mi 1 1 m 1 mi 1 min 23 m 23 m 23 m 23 m

preparation time preparation time

ute equilibr ute equilibration ion ute equilibr ute equilibration ion t t t t i i nu nute stripp pping ng min inute dry ute dry nute injection ute injection min minutes total utes total min minutes total utes total

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SLIDE 10

Ca Ca alibration alibration

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SLIDE 11

Calibra

Compound Compound Compound Compound Benz Benzene ene Benz Benzene ene To Toluene To Toluene Ethylbenz Ethylbenzene ne Ethylbenz Ethylbenzene ne m/p m/p m/p m/p-Xylene

  • Xylene

Xylene Xylene

  • -Xylene
  • Xylene

Xylene Xylene

ation Correlation

1 to 200 ppb 1 to 200 ppb 1 to 200 ppb 1 to 200 ppb 0.9998 0.9998 0.9998 0.9998 0.9995 0.9995 0.9995 0.9995 0.9985 0.9985 0.9985 0.9985 0.9993 0.9993 0.9993 0.9993 0.9994 0.9994 0.9994 0.9994

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SLIDE 12

Overlaid C Overlaid C Chromatograms Chromatograms

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SLIDE 13

Repeata Repeata

Compound Compound Benz Benzene ene To Toluene Ethylbenz Ethylbenzene ne m/p m/p-Xylene

  • Xylene
  • -Xylene
  • Xylene

ability At 20 ppb ability At 20 ppb

%RSD %RSD %RSD %RSD n = 7 n = 7 7.7 7.7 9.1 9.1 10.0 10.0 10.2 10.2 7.0 7.0

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SLIDE 14

No c No c carryover carryover

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SLIDE 15

BTEX in BTEX in

  • Difficult sampl

Difficult sample

  • Can't run b

Can't run by P P& y

  • Low Concentrat

Low Concentrat Low Concentrat Low Concentrat

n BP Tar Balls n BP Tar Balls

es &T tions tions tions tions

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SLIDE 16

Oily sand Oily sand

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SLIDE 17

BTEX BTEX in Oily Sand in Oily Sand

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SLIDE 18

Tar Ball Tar Ball

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SLIDE 19

BTEX BTEX X in Tar Ball X in Tar Ball

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SLIDE 20

Con Con

  • Low Concentr

Low Concentra

  • Fully automated

Fully automated Fully automated Fully automated

  • Simple to opera

Simple to opera

  • Simple to opera

Simple to opera No carryover No carryover

  • No carryover

No carryover

  • Rapid

Rapid

nclusions nclusions

ation VOA tion VOA d ate ate ate ate

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SLIDE 21

iTO TO I i I i i i Isotop sotopic Fi T B B ll C l C Tar ar B Ball C ll C C–CRDS C–CRDS i i i i i ingerpr ngerprint nting ng o

  • C

b C b C C t Car arbon

  • n C

Con

  • nten
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SLIDE 22

Isotopic Isotopic

  • Combust entire conte

Combust entire conte

  • Combust entire conte

Combust entire conte

  • Combustion products

Combustion products

  • Combustion products

Combustion products

  • Analyze collected CO

Analyze collected CO

  • Analyze collected CO

Analyze collected CO

  • Compare with referen

Compare with referen

  • Compare with referen

Compare with referen

  • Determine

Determine source

source of

  • f
  • Determine

Determine source

source of

  • f

c Fingerprinting Fingerprinting

ents of tar ball ents of tar ball ents of tar ball ents of tar ball s mixed into a s mixed into a reservoir reservoir s mixed into a s mixed into a reservoir reservoir O2 with CRDS for with CRDS for 12

12C/

C/13

13C

C O2 with CRDS for with CRDS for C/ C/ C C nce library nce library nce library nce library f tar ball f tar ball f tar ball f tar ball

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SLIDE 23

Cavity ring d Cavity ring d down spectrosco down spectrosco

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SLIDE 24

g y

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SLIDE 25

Lab weathe Lab weathe ered ered tar ball tar ball

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SLIDE 26

iTOC iTOC-CRDS CRDS

  • Cost effective isoto

Cost effective isoto

  • Cost effective isoto

Cost effective isoto

  • Estimate source of

Estimate source of

  • Estimate source of

Estimate source of

  • Low cost

Low cost

  • Low cost

Low cost,

  • Low maintenance

Low maintenance

  • Low maintenance

Low maintenance

  • Easy to use

Easy to use

  • Easy to use

Easy to use

Analysis Analysis provide provide

  • pe ratio
  • pe ratio
  • pe ratio
  • pe ratio

f organic pollution f organic pollution f organic pollution f organic pollution

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SLIDE 27

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