Amount	Component	Final concentration
5 g/L	boric acid	80.9 mM
4 g/L	MnSO4	23.7 mM
4 g/L	ZnSO4·7H2O	13.9 mM
2 g/L	FeCl2·6H2O	7.40 mM
0.4 g/L	molybdic acid	2.47 mM
1 g/L	KI	6.02 mM
0.4 g/L	CuSO4·5H2O	1.60 mM
10 g/L	Citric acid	47.6 mM