5 – 20
Transpector SPS Operating Manual
.
Table 5-4 Spectrum interpretation guide
AMU #
Chemical Symbol
Sources
1
H
water F or hydrogen F
2
H
2
, D
hydrogen, deuterium (
2
H)
3
HD,
3
H
hydrogen-deuterium, tritium (
3
H)
4
He
helium
5
No known elements
6
C
Doubly Ionized
12
C (Rare)
7
N
DI
14
N (Rare)
8
O
DI
16
O (Rare)
9
No known elements
10
Ne,
10
B
DI
20
Ne (Rare), BF
3
, BCl
3
11
Ne,
11
B
DI
22
Ne (Rare),
11
BF
3
, BCl
3
12
C
carbon, carbon monoxide F,
carbon dioxide F
13
CH,
13
C
methane F, carbon isotope
14
N, CH
2
nitrogen, methane F or Note 1
15
CH
3
methane F or Note 1
16
O, CH
4
, NH
2
oxygen or carbon monoxide F, ammonia
17
OH, NH
3
water F, ammonia F
18
H
2
O
water
19
F
fluorine or freon F
20
Ar
2+
, Ne, HF
argon Dl, neon, hydrofluoric acid
21
22
22
Ne, CO
2
neon, DI CO
2
23
24
C
2
See Note 1
25
C
2
H
See Note 1
26
C
2
H
2
CN
See Note 1, hydrogen cyanide F
27
C
2
H
3
, Al, HCN
See Note 1, aluminum, hydrogen cyanide
28
N
2
, CO, C
2
H
4
, Si
nitrogen, carbon monoxide, ethylene P,
silicon
