TOC Calibration Standard Back Catalog number: 50240 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675106 Sodium p-n-dodecylbenzenesulfonate, 100 µg/ml, Me Price on request 682111 delta-9-Tetrahydrocannabinolic acid A, 10.0 µg/ml, Price on request 82503 EPA Method 8250/8250A - Analytes Mix #11 Price on request