Sodium Silicate
        Ammonium bicarbonate 99.2%min
        Sodium Bicarbonate food grade
        Soda ash dense
        Soda ash light
        Calcium chloride 74%min Flake/
        Calcium chloride 77%min Flake
        Calcium chloride 94%min (ANHYD
        Magnesium chloride 46%min yell
        Magnesium chloride 46%min yell...
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Potassium Bromide

Molecular formula: KBr
CAS No.: 7758-02-3


Items		 Photo First Grade Photo Second Grade Medical Grade
Main content 99.5% min 99.5% min 99.0% min
Loss on drying 0.3% max 0.3% max 0.5% max
Chloride 0.2% max 0.2% max 0.5% max
Bromate 0.001% max 0.003% max 0.005% max
Iodide 0.001%max 0.005% max 0.005% max
Sulphate 0.005%max 0.005% max 0.01% max
PH Value(5％) 6.0—7.5 5.5—7.5 5.5—7.5
As — — ≤0.0004％
Pb 0.2ppm max 4ppm max 10ppm max
Fe 0.5ppm max 4ppm max 5ppm max
Cu 0.5ppm max 1.0ppm max 1ppm max
Bi 0.2ppm max 0.5ppm max —
Peroxide solution penetrability(250g/l) 93～100
(410nm)		 85～100(410nm) —
Transparency  test Qualified Qualified —
Ammonia 15.0ppm max — —
Peroxide solution chromaticity(250g/l) (15.0 Black once)max — —
Packing PP bag with PE inner bag/fibre drum,25kgs per bag/drum