Sulfate (SO4-2), 1000µg/ml in Water, 100ml Back Catalog number: 54106 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 52145A Method 200.8/1638/1640 Internal Standard, 10µg/ml in 2%-HNO3, 4x25ml Price on request 5190-8287 Lead, 1000ug/ml, 100ml 24,36 € 5190-8268 Boron, 1000ug/ml, 100ml 29,76 €