Autosampler Vial, 2ml HPLC Vial with Caps, 9-425 Amber Vial Features: 2ml sample vial are made of high quality borosilicic acid glass,low content of free ions,low coefficient of expansion and very high chemical resistance.It is suitable for containing all injectable preparations with acid, neutral and alkaline pH.Temprature range from -76F to 248F.