6.44 ppt TDS solution (box of 25x20mL sachet)

Simazine D5, 100µg/mL in Acetonitrile, 1ml

Methylnonylbenzene (Isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53657-85-5 / 18849-95-1 / 87630-23-7

PSA-C18-Mix 12