Arsenic Standard: 1000 µg/g As in 75 cSt Hydrocarbon Oil, 50g Back Catalog number: VHG-OAS-1000-50G Availability: In the manufacturer's stock Price on request - + Recommended N-13013-250MG Phenyl mercuric chloride(Technical), 250mg Price on request 54103 Nitrate (NO3-) as N, 1000µg/mL in Water, 100ml Price on request VHG-PPDN-100 Palladium Standard: Pd @ 1000 µg/mL in 5% HNO3, 100mL Price on request