Cu @ 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PCUN-100 Availability: In the manufacturer's stock Price on request - + Recommended 5190-8402 Iron, 10,000ug/ml, 100ml 94,48 € VHG-SMIN-5000-100 Sulfur, 5000µg/g (0.500 wt%) in 75 cSt Mineral Oil, 100ml Price on request TOIC1M TOC/TIC Mixed Standard, 1000ppm each in Water, 500ml Price on request