Hunter's Trace Stock Solution Recipe

# Component Amount Stock Solution Concentration Final Concentration
1 Na2EDTA‡2H2O
(Sigma ED255)
50 g/L 0.134 mM
2 ZnSO47H2O
(Sigma Z 0251)
22 g/L 0.077 mM
3 H3BO3
(Baker 0084)
11.4 g/L 0.184 mM
4 MnCl24H2O
(Baker 2540)
5.1 g/L 0.026 mM
5 FeSO47H2O 5 g/L 0.018 mM
6 CoCl26H2O
(Sigma C-3169)
1.6 g/L 0.007 mM
7 CuSO45H2O
(MCIB 3M11)
1.16 g/L 0.005 mM
8 (NH4)6Mo7O244H2O
(Mallinckrodt 3420)
1.1 g/L 0.0008 mM

Note: Final concentration listed is for the stock solution.