(4) Calcium Chloride (dihydrate) grade (AR)
CaCl2.2H2O (M.Wt. = 147.02 g/mol, 78% purity)
supplied by QReCTM.
(5) Sodium Bicarbonate NaHCO3 (M.Wt. = 84.01 g/mol,
99.5% purity) supplied by GCE Laboratory Chemicals.
(6) Strontium Chloride (6-hydrate) SrCl2.6H2O (M.Wt. =
266.62 g/mol, 99% purity) supplied by GCE Laboratory
Chemicals.
(7) Barium Chloride (dihydrate) grade (AR) BaCl2.2H2O
(M.Wt. = 244.28 g/mol, 99% purity) supplied by
QReCTM.