Cr, 1000 µg/mL in 5% HNO3, 100ml

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

Phosphate (PO4-3) as P, 1000µg/ml in Water, 100ml

Fluoride (F-), 1.0µg/mL in Water, 500ml