бромид натрия

Usage: Mainly used as oil well completion liquid, workover fluid, also employed in the preparation of photographic emulsions and developers. In pharmaceutical preparations, as a wood preservative, for water treatment, as a flame retardant additive.1.Industry Grade Appearance:White Crystals Assay,% 99.0MIN Chlorides,% 0.2 MAX Sulphates, PPM 200 MAX Loss on Drying,% 0.5 MAX Heavy Metal(As Pb,Hg)PPM 5.0 MAX Arsenic, PPM 4.0 MAX Volatile,% --- Bromates, PPM Qualified Iodide, PPM ---- Minor Elements, PPM ---- PH Value Qualified 2.Medicine Grade Appearance:White Crystals Assay,% 99.3MIN Chlorides,% 0.2 MAX Sulphates, PPM 100 MAX Loss on Drying,% 0.5 MAX Heavy Metal(As Pb,Hg)PPM 5.0 MAX Arsenic, PPM 4.0 MAX Volatile,% Qualified Bromates, PPM Qualified Iodide, PPM Qualified Minor Elements, PPM Qualified PH Value Qualified 3.Photo Grade Appearance:White Crystals Assay,% 99.5MIN Chlorides,% 0.2 MAX Sulphates, PPM 50MAX Loss on Drying,% 0.3 MAX Heavy Metal(As Pb,Hg)PPM 3.0 MAX Arsenic, PPM 4.0 MAX Volatile,% 0.5 MAX Bromates, PPM 10 MAX Iodide, PPM 50 MAX Minor Elements, PPM 0.5 MAX PH Value 6.0-8.0