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    1. 少妇熟女内射一区二区三区_亚洲肥婆一区二区三区_99se亚洲综合在线_日本中文字幕一区二区高清在线

      Welcome to Fujian Yongjing Technology Co., Ltd. the website!

      Contact us

      Add: 18#, Xin'An Road, Shaowu City, Fujian, China
      International Trade Dept.
      Tel: +86-599-6655932/6654968
      Fax: +86-599-6654591
      Home Trade Dept. 
      Tel: +86-599-6654866/6654968
      Fax: +86-599-6655755
      High-purity Chemicals Dept.
      Tel: +86-599-6655536/6654968
      Fax: +86-599-6655755


      Products

      High purity ammonium fluoride solution for industrial use

      Implementation standards?:GB/T 30901-2014

       

      item

      index

      UP-S

      UP-SS

      Ammonium fluoride content w/%  ≤

      40.0±1.0

      40.0±1.0

      Ammonium fluosilicate [(NH4) 2SiF6] w/ (mg/kg)≤

      10

      10

      Hazen ≤

      10

      10

      PH (10g/L solution, 25) ≤

      6.0-7.5

      6.0-7.5

      Chloride (in Cl)  w/(mg/kg)≤

      3

      0.2

      Nitrate (as measured by NO3)w/(mg/kg)  ≤

      3

      0.1

      Phosphate (in PO4) w/(mg/kg)≤

      1

      0.1

      Sulfate (in SO4)w/(mg/kg) ≤

      3

      0.2

      (Al)w/(μg/kg) ≤

      1

      0.1

      (As)w/(μg/kg) ≤

      1

      0.1

      (B)w/(μg/kg)≤

      1

      0.1

      (Ba)w/(μg/kg) ≤

      1

      0.1

      (Ca)w/(μg/kg)≤

      1

      0.1

      (Cd)w/(μg/kg) ≤

      1

      0.1

      (Cr)w/(μg/kg)≤

      1

      0.1

      (Cu)w/(μg/kg) ≤

      1

      0.1

      (Fe)w/(μg/kg) ≤

      1

      0.1

      (K)w/(μg/kg)  ≤

      1

      0.1

      (Li)w/(μg/kg) ≤

      1

      0.1

      (Mg)w/(μg/kg)  ≤

      1

      0.1

      (Mn)w/(μg/kg) ≤

      1

      0.1

      (Na)w/(μg/kg) ≤

      1

      0.1

      (Ni)w/(μg/kg) ≤

      1

      0.1

      (Pb)w/(μg/kg)≤

      1

      0.1

      (Ti)w/(μg/kg) ≤

      1

      0.1

      (Sb)w/(μg/kg)≤

      1

      0.1

      (Sn)w/(μg/kg) ≤

      1

      0.1

      (Zn)w/(μg/kg)   ≤

      1

      0.1

      Grain

      (≥0.5μm)/(個(gè)/mL) ≤

      10

      -

      (≥0.2μm)/(個(gè)/mL)  ≤

      -

      10

      【Back】

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      少妇熟女内射一区二区三区_亚洲肥婆一区二区三区_99se亚洲综合在线_日本中文字幕一区二区高清在线
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