Spiking Standard Kit Back Catalog number: 52068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11147.24-K-IO Tris(3,4-dimethylphenyl) phosphate,1000 µg/mL,isooctane,1mL, Price on request 10542.32-1G Direct Red 28, 98% Price on request 70431 Phthalic anhydride Price on request