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

      Major component:Sodium dibutyl dithiophosphate

      Structure formula:

      Description:Yellow to dark-brown aqueous solution.PH 10-13,rather stable chemically,no pungent odour.

      Principal uses:Dithiosphate Bs is an effctive collector for gold ore and silver,copper,zinc sulfide ores.It display weak collective power to pyrite in alkaline circuit.This reagent has little frothing property.

      Specification:Sodium dibutyl dithiophosphate:49-53%

      Packaging: 200KG Plastic bucket /1000 T bucket/25-50KG Bags.

      Storage & transport:To be protected from water,torrid sunlight and fire.