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    1. Liquid sulfur dioxide

      Product   name

      Sequence   numbers

      Testing   programmes

      First   grade  products

      ·                                    

      Liquid

      sulfur dioxide

      (GB/T3637-2011)

      ·                                    

       

      1

      appearance

      colourless or slightly yellow transparent liquid

      2

      SO2 (%)

      99.90

      3

      residue(%)

      0.040

      4

      water(%)

      0.060


      Sulfuric acid reagent

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