Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 5190-8291 Magnesium, 1000ug/ml, 100ml 24,58 € 18,43 € 54139 Sulfide (S), 1000µg/mL in Water, 3 x 20ml Price on request VHG-SMIN-5000-100 Sulfur, 5000µg/g (0.500 wt%) in 75 cSt Mineral Oil, 100ml Price on request