title: Determination of vitamin K1 in photodegradation products by gas-liquid chromatography.
mesh_terms: D000332:Aerobiosis; D000693:Anaerobiosis; D002849:Chromatography, Gas / Q000379:methods; D002855:Chromatography, Thin Layer / Q000379:methods; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D013058:Mass Spectrometry / Q000379:methods; D010782:Photolysis; D011048:Polarography / Q000379:methods; D013053:Spectrophotometry / Q000379:methods; D010837:Vitamin K 1 / Q000032:analysis*
chemical_list: D010837:Vitamin K 1