12x32mm lab efficiency autosampler sample vials graduated 09 10 2022 MS certified graduated spot HPLC glass vials-HPLC Sample Vials. 2mL Clear Glass (12x32mm) with Graduated Marking Spot Wide Mouth 9-425 Screw LC/MS Certified Vial, 100/pk. Sciencix Part #: 11-3548. 11-3548.jpg.