Sulfate (SO4-2), 1000µg/ml in Water, 500ml Back Catalog number: 54506 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 5190-8270 Cadmium, 1000ug/ml, 100ml 28,57 € 5190-9406 PE std Alt Trace Metal I in 2 HNO3 100ml 345,62 € 5190-9407 PE Alt trace metals II in 2 HNO3, 100ml 400,33 €