Spiking Standards Kit Back Catalog number: 52073 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73517 Lactofen Price on request 673092 L-Ascorbic acid 6-palmitate, 250mg Price on request 675727 TEPP, 10.0 µg/ml, Ethyl acetate, 10ml Price on request