钠溴(7647-15-6)

Sodium Bromidemolecular formular : NaBr molecular weight : 102.91. Usage: It is used for making sensitive emulsion of photographic film and for making medicinal intermediates in medico-industries, e.g.diuretic,sedative etc. It is also used as bromide making complex material and complex dyes. And used for water Treatment2.StandarditemSpecificationExport GradePhoto Grade AppearanceWhite CrystalWhite CrystalAssay(as NaBr)99% min.99.5% min.Degree of ClearanceTo pass testTo pass testChloride(as CL)0.1% max.0.1% max.Sulphates(as SO4)0.01% max.0.005% max.Bromates(as BrO3)0.003% max.0.001% max.PH(10% solution at 25C)5-85-8Moisture0.5% max.0.3% max.Lead(as Pb)0.0005% max.0.0003% max.Iodide(as I)0.006% max.Iron(as Fe)0.0002% max.Transmittance 5% at 410nm93.0-100.0Deoxidize experience(To KMnO4)The red unchanged above half hour3. Shape and Properties: This product is white cubic crystal or white fine grain, belongs to regular system, white specific gravity 3.203 and melting point of 755C, it is free of small and tastes salty and slightly bitter. It absorb water easily and agglomerates in the air, but does not deliquesce. It dissolves easily in water but slightly in alcohol. Its water solution is neutral and has electoconductibility.4.Notification: It should be stored in ventilated and dry storehouses. It must be noted that the product guards against damp and keeps in dark place, the fire can be put out by water in case of fire.5.Package: 25kg, 50kg, 500kg, 1000kg. Each by knitting bag with plastic inside.Sodium Bromide SolutiomItemSpecificationAppearanceClear, colorless to pale yellowAssay(as NaBr)45-47%PH6-8Turbidity(NTU)2.5 max.Specific Gravity1.470-1.520