... 3.Content:98.5%,99%,99.5% 4.Grades: Industrial Grade, Medical Grade,Photo Grade1. Sodium Bromide2.Appearance: White Powder3.Content: 99%,99 ... .5%4.Grades: Industrial Grade, Medical Grade,Photo Grade5.Use: Mainly used as completion fluid, mounting fluid ... -Pb0.5ppm max4ppm max-Fe1ppm max4ppm max-Cu1ppm max oildrilling grade 99% 99.5% sodium bromide