Multi-Element Internal Standard / Back Catalog number: 53319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675580 Thiofanox, 10.0 µg/ml, Acetonitrile, 10ml Price on request 59892X Calibration Std. #1 Price on request 675178 2,3,5-Trichlorophenol, 100 µg/ml, Methanol, 1ml Price on request