Te, 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PTEN-100 Availability: In the manufacturer's stock Price on request - + Recommended 54506 Sulfate (SO4-2), 1000µg/ml in Water, 500ml Price on request SCP150-021-048 CONOSTAN Standard S-21+K, 500 ppm, 100g Price on request VHG-CLOIL-1P-100 Chlorine, 10000µg/g (1.00wt%) in Mineral Oil,100ml Price on request