2,5-Dichlorophenol, 1000mg

2-Amino-4-hydroxybenzoic acid, 95%, 1g

Hexavalent Chromium (Cr+6), 10mg/mL in H2O, 500ml

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