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    2. Shaoxing Huawei Chemical Co.,Ltd.
      Main products
      · Triphenylphosphine
      · Tetrachlorophthalic Anhydride
      · p-Cresol
      · Sodium sulfite
      · Sulfuric acid
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      · Binhai:Shaoxing Huawei Chemical Co.,Ltd.
      · Tel: +86-575-85620368   13957559832
      · Paojiang:Shaoxing Huali Fine Chemical Co., Ltd.
      · Tel: +86-575-85726755   13867572782
      · Pingshui:Shaoxing Huawei Chemical Co., Ltd.
      · Tel: +86-575-85767147   13505751287
      · E-mail: sales@huaweichemical.com
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      Fuming sulfuric acid

      【English name】:Oleum, Sulphuric acid fuming
      【Chinese name】:20%Fuming sulfuric acid, 105 acid
      【CAS】:7664-93-9
      【Molecular formula】:H2SO4·xSO3
      【Quality standard】:

      Item

      National standard

      Index

      Sulfuric acid % ≥

      104.5

      104.5-105.2

      Ignition residue % ≤

      0.03

      0.02

      Iron content % ≤

      0.010

      0.008

      As % ≤

      0.0001

      0.0001

      【Use】:Widely used in synthetic dyes, explosive and pharmaceutical industry.

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