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 51844 Multielement standard solution 4 for ICP, 100ml Price on request VHG-PALN-100 Aluminum Standard: Al @ 1000 µg/mL in 5% HNO3, 100mL Price on request 59927 Fluoride (F-), 10µg/mL in Water, 500ml Price on request