Subject	chromatography
Predicate	can be used
Object	to analyze chemical substances
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.4504
Neighborhood Sigma	0.5042
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source chromatography can be used to identify and analyze chemical substances 1 Answers.com Questions