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 : Thiourea (Thiocarbamide)


        (1)Chemical name:thiourea (thiocarbamide)
        (2)Molecular formula & molecular weight:(NH2)2CS=76.12        
        (3)Specification:HG/T3266-2002.
        Index Name
        Index
        Excellence
        First Grade
        Qualifica_
        tion
        Purity % ≥
        99.0
        98.5
        98.0
        Weight loss on dry % ≤
        0.40
        0.50
        1.00
        Ash % ≤
        0.10
        0.15
        0.30
        Insoluble matter in wate % ≤
        0.02
        0.05
        0.10
        Thiocyanate £®CNS £© % ≤
        0.02
        0.05
        0.10
        Melting point £®Centigrade degree£©≤
        171
        170
        --


        (4)Character:White,glazed crystal,bitter,soluble in water,decompositing when heated,being complex with a lot of metals and inorganic salts.
        (5)Use:Used as thiazole medecine such as sulphathiazole,tetramizole,thiourea dioxide and a medium of medicine curing thyroid gland.Intextile industry,it's used as a bleaching agent,dyeing agent and antioxidant.In the proeess of making a blueprint paper,it is characterized by distinctness and fadelessness.In photo industry,it'used as a stabilizer of developing emulsion and fixing bath.In the proeess of extracting gold, it can replace the intense poison cyanide.Incopperplating and galanizing barium,it can devide equally the deposition of matals,improve the stability of electroplating solutiom and gain the lustre surface on the plating material. It's also used to clean accumulated filty in the high-pressure boiler and as a synergist for nitrogenous fertilizer.It can cure the mildew of oranges and tangerines and tangerines and restrain the bud of potato and yam.
        (6)Packing:Packed in polypropylene bag,lined with polyethylene bag 25kg/bag net.
        (7)Storage:Keep in a dry warchouse,Avoid raining when shipping.

         
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        女人张开腿让男人桶视频全黄