I-Aijiren polypropylene screw micro vials inokusetyenziswa kwi-gas esemgangathweni kunye ne-liquid chromatography autosamplers. Ezi ngqayi zikhaphukhaphu, zinoqoqosho zenziwe ngepolypropylene ehlala ixesha elide enokumelana neekhemikhali ezilungileyo.