... Heavy metal(as Pb)%Max. 0.0004 / 0.0005 Fe Iron% Max. 0.0004 / 0.0005 PH(50g/L) 5.5 ... addition, we produce Calcium Chloride, Calcium Bromide,Sodium Bromide, N-propyl bromide, sodium bromate, Ammonium Bromide, Zinc Bromide, Potassium Bromide, Tereabromobispenol A ( TBBA ), Bromoethane, Chlorfenapyr, Potassium ...