Lanthanides - Multi-Element Solution 2 Back Catalog number: 52134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676987 Spectinomycin dihydrochloride pentahydrate, 250mg Price on request 680641 D3-Propyzamide, 10mg Price on request 91875 EPA Method 8330Mix #1A Price on request