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Product Name:
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Potassium Sulfite
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WCode:
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16-025
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CAS No.
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10117-38-1
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Molecular Formula:
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K2SO3
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Molecular Weight:
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158
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Sales Specification
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Potassium Sulfite Solution (Photo Grade)
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Appearance:
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Colorless, clear, inodorous
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Chroma (Original Solution APHA)
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40% Max
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Assay (K2SO3):
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44.0- 46.0%
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PH (Original solution 25°C):
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9.0-9.5
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Fe:
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0.001% Max
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Heavy Metals as Pb:
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0.001% Max
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K2SO4:
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0.7% Max
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Insoluble:
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0.005% Max
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Density (20°C)
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1.436-1.460
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Packing:
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In 250 KG plastic drum
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Potassium Sulfite, Solid. Reagent Grade
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Appearance:
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White crystal powder
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Assay:
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94% Min
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Water Insoluble:
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0.01% Max
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Cl:
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0.02% Max
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K2CO3:
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0.5% Max
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Fe:
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0.001% Max
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Pb:
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0.002% Max
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As:
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0.0001% Max
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Packing:
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In 25 KG cardboard drum.
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