Nitrate (NO3-) as N, 1000µg/mL in Water, 100ml

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

Sulfide (S), 1000µg/mL in Tr. NaOH / Water, 3 x 20ml

Mn, 1000 µg/mL in 5% HNO3, 100ml