CHINESE高二男高中生勃起GAY,CHINESE男高中生洗澡勃起,CHINESEGAY18无套禁18网站

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    1. CHINESE高二男高中生勃起GAY,CHINESE男高中生洗澡勃起,CHINESEGAY18无套禁18网站
       
                 Sodium butyl Xanthate
                 Sodium Isopropyl Xanthate
                 Sodium Amyl Xanthate
                 Sodium Ethyl Xanthate
                 Sodium Isobutyl Xanthate
                 Potassium butyl Xanthate
                 Potassium Isopropyl Xanth...
                 Potassium Amyl Xanthate
                 Potassium Ethyl Xanthate
                 Potassium Isobutyl Xantha...
                 Sodium diethyl dithiophos...
                 Dianiline Dithiophosphori...
                 More
       
        Products

      Name:O-Isopropyl-N-Ethyl Thionocarbamate
      Brand:Z-200
      Formula:(CH3)2 CHOC(S)NHC2H5
      M.W. :147.25
      Grade:Industrial
      Description:Yellowish oily liquid
      Sp.gr.:D420 =0.990-0.994 Insoluble in water,very soluble in ethyl alcohol,ethyl ether,benzene,petroleum ether etc.,and with slight pungent smell
      Viscosity(20oC): 5.56C.P.S.
      Uses:An excellent collector in floating non-ferrous metallic sulfide,with an excellent selectivity and specific separating performances to ores of copper,lead,zinc,molybdenum sulfide etc
      Package: 200KG Plastic bucket or 1000KG T bucket
      Specification:

      Item Specification
      O-Isopropyl-N-Ethyl Thionocarbamate % = 95.0%
      Isopropylalcohol % = 2.0%