Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11890.6-K-ME Methyl Diethyldithiocarbamate,1000 µg/mL,MeOH,1mL, Price on request DF-IS-J20 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request 50609 Chloride 1.0 µg/mL (Cl-) Price on request