Phthalate Esters Mix 3, 1000µg/mL in Hexane, 1ml

Sodium ethyl sulfate, 100mg

Phosphate as PO4-3

EPA 528 rev. 1.0 Internal Standard Solution 2 200µg/mL in dichloromethane; unit: 1x5mL 2081.6 2,3,4,5-Tetrachlorophenol [4901-51-3]