D4-Folpet, 100 µg/ml, Acetone, 1ml

2,6-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1141-38-4

Sulfur in Isooctane - 0 Wt%

EN 15721 Internal Standard Stock Solution, procedure A 1382.2 Ethanol 8mL Pentanol-3 80µL (Gives a concentration of approx. 8mg/mL)