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White Powder Antimicrobic Sodium Sulfite Food Grade 97% Purity HS NO. 28321000

    Buy cheap White Powder Antimicrobic Sodium Sulfite Food Grade 97% Purity HS NO. 28321000 from wholesalers
     
    Buy cheap White Powder Antimicrobic Sodium Sulfite Food Grade 97% Purity HS NO. 28321000 from wholesalers
    • Buy cheap White Powder Antimicrobic Sodium Sulfite Food Grade 97% Purity HS NO. 28321000 from wholesalers
    • Buy cheap White Powder Antimicrobic Sodium Sulfite Food Grade 97% Purity HS NO. 28321000 from wholesalers
    • Buy cheap White Powder Antimicrobic Sodium Sulfite Food Grade 97% Purity HS NO. 28321000 from wholesalers

    White Powder Antimicrobic Sodium Sulfite Food Grade 97% Purity HS NO. 28321000

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    Brand Name : Kemsky
    Model Number : sodium sulfite
    Certification : ISO 9001
    Price : usd 430 per metric ton
    Payment Terms : T/T , L/C
    Supply Ability : 3000 tons per month
    Delivery Time : 5-8 days
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    White Powder Antimicrobic Sodium Sulfite Food Grade 97% Purity HS NO. 28321000


    SODIUM SULFITE ANHYDROUS


    Sodium sulfite,sodium sulphite anhydrous:

    The role of anhydrous sodium sulfite is extensive,it has a very important role in pharmaceutical industry,paper making,leather tanning and dyeing industries and plant fiber bleaching,food,etc.Addition of anhydrous sodium sulfite is also used to film developing,bleaching agents,printing and dyeing industry as a deoxygenation agent.

    Factory price of Sodium Sulfite 98% Na2SO3

    Why Choose Us:

    1.Professional--- Manufacturer of Anhydrous Sodium Sulfite since 1998.

    2.Third-party Testing--Our factory and products have been approved by BV,CIQ,SGS,ITS.you can download the test report in our homepage.

    3.Field Trips ---Warmly welcome to visit our factory.

    4.Free sample and E-catalogue are available

    Our Principle:

    Focus on high quality chemical products!


    Application:
    It is used in dyeing industry as deoxidizer and bleaching agent for a variety of cotton fabric treating and scouring, which can prevent fabrics from local oxidation and deterioration of fibre strength. In photographic industry it is used as a reagent. In organic industry it is used as reducing agent in production of m-phenylenediamine, 25 - bared oxazolone, amino salicylic acid, etc. Textile industry uses it as a stabilizer for synthetic fibre. Other applications include various uses in paper mills, electronic industry, water treatment, etc.


    Specification:

    Anhydyous sodium sulphite
    English nameAnhydyous sodium sulphite
    Molecular formulaNa2SO3
    Technical specificationsHigh purity gradeRefined gradePhotographic gradeIndustrial gradeIndustrial gradeIndustrial grade
    Sodium sulfiteSodium sulfiteSodium sulfiteHigh-class productHigh-class productFirst grade product
    Na2SO3 ≥ %989897989796
    Fe ≤ %0.00050.0020.0050.0030.0030.005
    Water insoluble ≤ %0.0050.010.050.020.020.03
    Free alkali ≤ %0.10.30.150.10.10.4
    Sodium sulfate ≤ %1.51.51.52.5
    Sodium chloride ≤ %0.0050.020.010.1
    Heavy metal on Pb≤ %0.0010.0020.002
    As ≤ %0.00010.0005
    Sodium thiosulfate ≤%0.010.020.03
    Aqueous solution appearanceQualifiedQualifiedQualified
    Reaction of silver nitrate ammonia solutionQualified

    Usage:

    The role of anhydrous sodium sulfite is extensive, it is in the pharmaceutical industry, paper making, leather tanning and dyeing industries and plant fiber bleaching, food, etc have a very important role. Addition of anhydrous sodium sulfite is also used to film developing, bleaching agents, printing and dyeing industry as a deoxygenation agent.

    Nature:

    White crystal or powder; no foul. Soluble in water, very slightly soluble in ethanol, almost insoluble in ether. White hexagonal prismatic crystals, soluble in water (0 ℃ 12.54g/100ml water; 80 ℃ when the 283g/100ml water), in 33.4 ℃ The maximum solubility of about 28% when the aqueous solution is alkaline, PH value is about 9 ~ 9.5 . Slightly soluble in alcohol, insoluble in liquid chlorine, ammonia. Easily oxidized in air sodium, when the temperature is decomposed into sodium sulfide. To strengthen the reducing agent, reacts with sulfur dioxide, sodium bisulfite, reacted with the acid salt.


    Packing : External packing is PP woven bag, Internal packing is PE bag,25 kgs, 50 kgs, 1000 kgs, and 1250 kgs bag packing.

    Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid rain.




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