Calcium Standard for IC,TraceCERT, 1000 mg/L Ca?2 in nitric acid (nominal concentration), Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Chloride Standard for IC,TraceCERT, 1000 mg/L chloride in water (nominal concentration)

Sodium Standard for ICP,TraceCERT, 10 g/L Na in nitric acid (nominal concentration)

Rhenium Standard for ICP,TraceCERT, 1 g/L Re in nitric acid (nominal concentration)

Chromate Standard for IC,TraceCERT, 1000 mg/L chromate in water (nominal concentration)

Benzene,anhydrous, 99.8%

Sodium methoxide solution,ACS reagent, 0.5 M CH3ONa in methanol (0.5N)

Tetrakis(hydroxymethyl)phosphonium chloride solution,80% in H2O

Diethylzinc solution,1.0 M in heptane

1-Benzyl-3-methylimidazolium tetrafluoroborate,>=97.0% (HPLC)

Copper Standard for IC,TraceCERT, 1000 mg/L Cu?2 in nitric acid (nominal concentration)

Periodic table mix 2 for ICP,TraceCERT, 17 elements, 10 mg/L