Multi-Element Solution 3 Back Catalog number: 52135 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30105 EPA Method 552,552.1,552.2 Internal Std Price on request 677712 1-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1 Price on request 3659.6-K-IO 1,4-Dibromobenzene,1000 µg/mL,isooctane,1mL, Price on request