17a-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-91-0

2,3-Dimethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 632-16-6

Acetone,neat,neat,1.5mL,

ISO 9377-2 Extraction solvent standard solution Dilute of "extraction solvent stock solution" (S-4212) 10 times with the extracting solvent (n-pentane) Use 50mL of extraction solvent standard solution pr. experiment