WP AMP 2 Trace Elements - Cal Check Back Catalog number: 52130 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4172-10MLX5 Daily Quality Control Standard (with Internal Standard) 15 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 11 Ethylbenzene Price on request 675425 5-(Hydroxymethyl)-2-furaldehyde, 100mg Price on request 19467 4-Bromofluorobenzene Price on request