Metals Mix #1 Back Catalog number: 50688 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71540 2-Furaldehyde (Furfural) Price on request 679447 Heptachlor, 100 µg/ml, Methanol, 1ml Price on request 513-CS0.25 Custom Calibration Solution, 500ul, nonane Price on request