Multi-Element Calibration Standard-4 Back Catalog number: 50013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0313.21-200-T Dibenz[a,h]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 226-36-8 Price on request 2516.16-100-ME Acetylsalicylsalicylic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 530-75-6 Price on request 82723 EPA Method 8270C Pesticide Mix #25 Price on request