Isobutyl alcohol, 1g Back Catalog number: N-12234-1G Availability: In the manufacturer's stock Price on request - + Recommended 19112 EPA Method 624 Surrogate Standard Price on request 675079 Clopyralid-methyl, 10mg Price on request S-4030-ASS-IO C20Triaromatic sterane/C26Triaromatic sterane C20 Triaromatic sterane (0857,20)/ C26 Triaromatic sterane (0854,26) = 1:3 (0,33) 50 + 150 µg/mL in isooctane, 1mL pr. vial Price on request