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

Cr, 1000 µg/mL in 5% HNO3, 100ml

Fluoride (F-), 10µg/mL in Water, 500ml

Strontium Standard: Sr @ 1000 µg/mL in 5% HNO3, 100mL