DETector Engineering
&
Technology, inc.
486 N.Wiget Lane,Walnut Creek, CA 94598 USA
telephone: (925) 937-4203
fax: (925) 937-7581
DET
e-mail:
innovations in chemical detection
THERMIONIC SURFACE IONIZATION DETECTION FORGC
selectivity for OXYGENATED compounds
(Alcohols, Phenols, Carboxylic Acids, Glycols, Phthalates, Water, etc.)
ETHANOL
in
GASOLINE
FID
128 nA full scale
2 min
- Ethanol
TID-1-Nitrogen
1 nA full scale
source heat=2.35 A, polar.= - 45 V
Phthalate/Hydrocarbon Sample Mixture
FlO 4096 pA full scale
Hydrocarbons (C,2 - C 16 ) 800ng each
I
P3
T'
P2
,
TID-1-Nitrogen 128 pA f.s.
Phthalates (P1 - P6) 160ng each
P2
dlethyl
P3
d
i~n-butyl
P4
benzylbutyl
p~
b ls(2-ethylhe"yl)
I
P6
I d l-n-octyt
SISPHENOL A (SPA)
FID
1024 pA "full scale
Phenol
SPA
1
TID-1 -N
itrogen
512 pA 'full scale
SPA
Phenol
29.ng
Agilent S890 GC
2.7 ng
-
Motor Oil Analysis on a Compact GC
Used Motor Oil
(5
%
in Dichloromethane)
FID
(Hydr.lAir detector gases)
1500mV f .s.
Used Motor Oil: TID-1 Detector
(Nitrogen detector gas)
1500mV f.s.
Motor Oil
Degradation
Products -NewMotor Oil: TID-1 Detector
1500mV f.s.
~j';;'~
m inutes
