EPA Method 524.3Gases Back Catalog number: 95490 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1570.34-100-ME Pseudomorphine (free base), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 125-24-6 Price on request 53420 EPA Method 300.0 Anions Price on request 1934.5-1ML 1-(Trifluoroacetyl)imidazole, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 1546-79-8 Price on request