国内真实大量偷拍视频

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      Zinc Sulfate Heptahydrate Powder

      Original
      price: Negotiable
      minimum:
      Total supply:
      Delivery term: The date of payment from buyers deliver within days
      seat: Beijing
      Validity to: Long-term effective
      Last update: 2020-04-27 02:49
      Browse the number: 74
      inquiry
      Company Profile
       
       
      Product details

      Description:

      Formula: ZnSO4·7H2O

      Molecular Weight: 287.5786

      CAS: 7446-20-0

      Appearance: White Crystal

      Readily soluble in water

      Place of Origin: China


      Application:

      1. The main application of Zinc Sulphate Heptahydrate is as a coagulant in the production of rayon. It is used as in electrolytes for zinc plating, as a mordant in dyeing, as a preservative for skins. In leather and in medicine as an astringent and emetic. Zinc Sulphate Heptahydrate is also used as laboratory reagent.

      It is used as raw material for production of lithpone.it is also used in synthetic fiber industry,zinc plating,pesticides.it is mainly used in trace element fertilizer and feed additives,etc.

      2. Zinc sulfate is allowed to use in food supplements of zinc. China allows to use it in salt, the used of amount is 500mg /kg; in foods for infants and young children is 113~318mg/kg; in dairy products is 130~250mg/kg; in grains and their products is 80~160rag/kg; in liquid and drink milk drinks is 22.5~44mg/kg.

      3. Agriculture Spray: Zinc sulphate/sulfate monohydrate is Used as a spraying pesticides agent for the disease of fruit tree and young plants;zinc sulfate zinc sulfate monohydrate zinc sulfate for sale


      Specification:

      Item

      Standard

      Crystals

      Crystals

      Zn

      21% MIN

      20-22% MIN

      As

      5ppm MAX

      5ppm MAX

      Cd

      20ppm MAX

      20ppm MAX

      Heavy Metal(Pb)

      10ppm MAX

      10ppm MAX

      Water Insoluble Matter

      0.05% MAX

      0.05% MAX

      PH Value

      6-8

      6-8

      Fineness

      10-20 mesh

      10-20 mesh


      Feature and Advantages:

      We will packed in the woven bag lined with plastic, net wt. 25kgs or 1000kgs bags.

      Customers:Many customers all over the world have built a long term cooperation with us,they have found they can share the high quality while saving many cost from working with us.

      We will arrange the shipment within 20days after received your order.



      http://www.hsc-chemicals.com/

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      ? 国内真实大量偷拍视频
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