Table 2
IRMS instruments
Instruments available
Used for ring test
Europa Scientific
ABCA
+
20/20
+
Tracermass
−
GEO
−
Orchid
−
Finnigan MAT
MAT 250
−
Delta S (/GC)
+
BreathMAT
+
VG Fisons
SIRA II
+
(Micromass)
SIRA 10
+
Optima
+