EPA Method 8250 - Acid Matrix Spiking Solution

Phthalazone

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid hydrate (contains 5-10% isopropyl alcohol), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4065-45-6

Phthalocyanine, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 147-14-8