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Molecular Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white or light yellow crystalline powder
Quality standard: GB1894——2005
Company standard
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Item
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Value
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sodium sulfite (Na2SO3), mass fraction /%
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≥ 97.0
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Fe, mass fraction /%
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≤ 0.01
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Free alkali(as Na2SO3), mass fraction /%
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≤ 0.60
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Heavy metals(as Pb), mass fraction /%
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≤ 0.001
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As (As), mass fraction /%
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≤ 0.0002
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Clarity
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Passed
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Chinese standard
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Item
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Value
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sodium sulfite (Na2SO3), mass fraction /%
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≥ 96.0
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Fe, mass fraction /%
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≤ 0.01
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Free alkali(as Na2SO3), mass fraction /%
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≤ 0.60
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Heavy metals(as Pb), mass fraction /%
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≤ 0.001
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As (As), mass fraction /%
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≤ 0.0002
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Clarity
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Passed
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Uses:dechlorinating agent, bleaching agent, developer, reductant, stabilizer, or used in papermaking, electronic and water treatment industry.
Packing:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
Net weight:25,50,1000kilograms per bag or following your demand.
We welcome your orders for bromide products, magnesium chloride, industrial crude salt and bittern serial chemicals.
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Origin
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