Wavelength Calibration Solution (3B) Back Catalog number: 59030 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 80412 EPA Method 8040A Analytes Mix “B” Price on request 673127 beta-Estradiol hemihydrate, 250mg Price on request 676648 2-Methyl-1-propanethiol, 100mg Price on request