intro:
molecular formula：NaBr
molecular weight：102.9
H.S. CODE：2827.5100
Usage:：This product 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.
Specifications：
|
|
Medical grade |
photo grade |
|
Content |
99% min |
99.5% min |
|
Loss on drying |
0.5% max |
0.3% max |
|
Chloride |
0.5% max |
0.2% max |
|
Sulphate |
0.2% max |
/ |
|
Bromate |
100ppm max |
100ppm max |
|
Heavy metal(Pb) |
10ppm max |
/ |
|
As |
4ppm max |
/ |
|
Mercury |
/ |
3ppm max |
|
Iodide |
/ |
50ppm max |
|
Microelement |
/ |
0.5ppm max |
|
PH value |
5.5-8.5 |
5.5-8.5 |
Properties: This product is white cubic crystal or white fine grain, belongs to regular system, white specific gravity 3.203 and melting point of 755℃, 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.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.
Package:25kg, 50kg, 500kg, 1000kg. Each by knitting bag with plastic inside.
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