MA - EPH Fractionation Surrogate Spike Back Catalog number: 51039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ACQ-AQ20-115 Ethanol standard in water,2.0g/L,water, 1.5mL Price on request 57071 Lutetium (Lu) Price on request 679954 3,4-Dichloronitrobenzene, 250mg Price on request