女人张开腿让男人桶视频全黄

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          Thiourea (Thiocarbamide)
          Thiourea Dioxide
          Barium Chloride Dyhydrate
          Barium Hydroxide Octahydrate
          Barium Hydroxide Monohydrate
          Barium Chloride Anhydrous
          Sodium Hydrosulphide
          High Purity Barium Chloride ...

          Products


        Product Name : Barium Chloride Dyhydrate


        (1)Chemical name:Barium Chloride Dyhydrate
        (2)Molecular formula & molecular weight:BaCl2.2H2O=244.277
        (3)Specification:GB/T1617-2002

        Index Name
        Index
        Excellence
        First Grade
        Qualifica_
        tion
        Purity % ≥
        99.00
        98.00
        97.00
        Calcium£¨Ca) % ≤
        0.036
        0.090
        --
        Sodium£¨Na) % ≤
        0.20
        --
        --
        Sulphide£¨S£© % ≤
        0.003
        0.008
        --
        Iron£¨Fe) % ≤
        0.001
        0.003
        0.02
        Water insoluble matter % ≤
        0.05
        0.10
        0.20


        (4)Character:Colourless,flat rhombus crystal,usually with two crystal water.Specific gravity:3.097(24/4¡æ).Dissllving point:962¡æ.Boiling point:1560¡æ poisonous.Wash in water whin getting in on the skin.After poisoning,take sodium sulphate or magnesium sulphate.
        (5)Use:As a raw material for producing bariumn salts,such as barium¡¢hydroxide¡¢barium nitrate and barium carbonate etc.Widely used in papermaking¡¢dyestuff¡¢rubber¡¢plastic¡¢ceramics¡¢iol refining and petrochemistry and so on.Also used to heat-treat the metals and remove sulphate in the salt water in chlorine-alkaki industry.
        (6)Storage and transportation:Keep dry and prevent damp.
        (7)Packing:Packed in polypropylene bag,lined with polyethylene bag,50kgs or 25kgs/bag net.

         
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        女人张开腿让男人桶视频全黄