3-Isopropylphenyl diphenyl phosphate, 1.2ml x 50ug/ml, toluene

Ofloxacin,neat,neat,100mg,

Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions

Silver (Ag), 1000µg/ml in 2%-HNO3/Water, 100ml