Usage examples (33)

• chromatography was first developed more than a century ago and solid state gas chromatography is more than 60 years old.
• Essentially, chromatography is a filtering process that allows distinct compounds or molecules to be separated by molecular size and weight.
• They analyze a wide variety of chemical compounds, using testing methods such as chromatography or spectroscopy.
• It ` s called gas chromatography mass spectrometry.