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Review Summary
Sedoneural
Bromide of soda
White or colorless granules or granule powder
As a restrainer in developers
NaBr
10g (0.35oz)
675152118011
The Photographers' Formulary Sodium Bromide is used as a restrainer in developers.
Note:
Bromine occurs primarily as bromide salts (e.g. Sodium Bromide, NaBr) in sea-water. On passing a stream of chlorine gas through a solution containing Bromide Ions, Br(-), free elemental bromine is released.