Lithium (Li) Back Catalog number: 56003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79247 EPA Method 8330 Analyte Price on request S7004-0.05 3-Epi-25-Hydroxyvitamin D3, 50μg/ml, 1ml Price on request 92357 EPA Method 8141/1657 Surrogate Standard Price on request