Arsenic (As) Back Catalog number: 57233 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4328-100-HE Phthalate Internal Standard Product Concentration 1 Diethylphthalate-d4 100 000 ng/mL Di-n-butylphtalate-d4 100 000 ng/mL Di-2-ethylhexylphtalate100 000 ng/mL Solvent: n-Hexane Units: 1mL crimp-top bottles Price on request 3371.10-100-AN Dichlofenthion Price on request 98864 Formaldehyde-DNPH Level 7 (20ug/mL) Price on request