Te, 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PTEN-100 Availability: In the manufacturer's stock Price on request - + Recommended 54139 Sulfide (S), 1000 µg/mL in Water, 3 x 20ml Price on request SCP140-025-041 EnviroMAT-Used Oil, 125ml Price on request 54106 Sulfate (SO4-2), 1000µg/ml in Water, 100ml Price on request