Cyanide (CN-)@1000mg/L in 0.1% NaOH, 100ml

Cr @ 1000 µg/mL in 5% HCl, 100ml

PE std Alt Trace Metal I in 2 HNO3 100ml

Li @ 100µg/mL in 2% HNO3 (Enriched in Li-6), 100ml