Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11500.21-10MG Tianeptine sulphate mono hydrate,neat,neat,10mg, Price on request 676804 Chlorothalonil-4-hydroxy, 10.0 µg/ml, Acetonitril Price on request 10626.12-50-T 1,2,3,7,8-Pentachlorodibenzo-p-dioxin Price on request