. Author manuscript; available in PMC: 2011 Apr 1.

Published in final edited form as: Nucl Instrum Methods Phys Res B. 2010 Apr 1;268(7-8):708–711. doi: 10.1016/j.nimb.2009.10.010

Table 1.

Comparison of AMS to ICOGS

	AMS	ICOGS
SPECIFICITY	Mass via trajectory and specific energy loss of ion	Species via laser resonance
DETECTION	Particle counts (≈1%) (destructive)	Electrical conductivity (non destructive)
GAIN	NO	YES
SAMPLE PREPARATION	Reduction to Elemental carbon	Oxidation to Carbon dioxide
SAMPLE SIZE	Of order 1 mg	≥10 μg
SENSITIVITY	≈10⁻¹⁵	≈10⁻¹⁵ or better
NORMALIZATION	¹²C⁻, ¹³C ⁿ⁺	¹²CO₂, ¹³CO₂