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 VHG-SDSL-1P-100 S @ 10000 µg/g (1.00 wt%) in #2 Diesel Fuel, 100ml Price on request VHG-V21-30-100 V21 Wear Metals Standard: 30µg/g in Hydrocarbon Oil, 100g Price on request SCP150-100-585 CONOSTAN 1000ppm Standard, Ce, 50g Price on request