DETector Engineering
&
Technology, inc.
486
N.Wiget Lane,WalnutCreek, CA
94598
USA
DEl
telephone:
(925) 937-4203
fax:
(925) 937-7581
innovations in chemical detection
e-mail:
THERMIONIC SURFACE IONIZATION DETECTION FORGC
selectivity for NITROGEN and PHOSPHORUS compounds (NPD)
PESTICIDES ON AGILENT 6890 GC
1
DRUGS OF ABUSE
- M ut.n llrnp n eU l rnlne (Spe u d)
750 pg each
1=Mevlnphos
2=Trlf'luralin
3=Sirnazine
4=Methyl Parathion
5=Malathion
Cocaine
I
3 .4 -MDMA (E c s t s cy)
I
l
NPD 256 pAlmV
TID-4
ion source:
he.at-2.66 A , polarlzation- I5V
d etector gase s :
hydrogen-3, a ir-50, nt1 rogen-10 mUmln
4
5
3
2
NPD(TID-2)
128 pA
f.5.
TID-2 Ion Source
2 .90 A heat
- 5 V
polarlzatlo
2
Heroin
TID-1-AIR
64 pA
f.5.
TID-1 Ion Source
2 .45 A hea t
-45
V
polarizatio
3
4
T ID-1
64 pAlm V
TID· 1 Io n sou rce:
h••t-2.....0 A . polarization· 415 V
detector gases:
nitrogen-55• • 1,..5 mUmln
l
l
TID-2Black Ceramic designed for sharp P peaks
TID-4White Ceramic designed for best N response
TID-1mode is more compound selective than NPD
\'
NPD (TID-4)
512 pA 1'.&.
4 -Nitrotoluene
29
ng
RDX
1 2
ng
1
TID-1 -Nltrogen
512 pA 1'.&.
T N T
0 .29
n9
RDX
4-Nitrotoluene
I
I
-
Drug Sample (N compounds)
caffe ine
N P D
n i c o t ine
T ID -4 I o n source
heat=2.65 A
cotlnlne
polarlz.= - 3.5 V
1024 pA 1'ull scale
d iazepam
TID-1-Nitrogen
TID-1 ion source
h e a t=2 .45
A
polarlz.= -
90 V
512 pA 1'ull scale
Nitro Explosives detection - NPD detects all N compounds - TID -1 mode has exceptional sensitivity for TNT
Website :
E-mail :
TelNo : 03 9762 29034 . . . inAUSTRALIA
