NWTPH-HCID - Surrogate Standard Back Catalog number: 51138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16178500 Phthalic acid, hexyl-2-ethylhexyl ester, certified, 0.1g Price on request 97179 Internal & Surrogate Standard 8260B Price on request 59609 IC Anions Cal Std - COA Level 1 Price on request