热久久国产_天使萌渴望被痴汉侵犯的护士_a毛片网站_操女人bb

  • Suzhou Yingke Biotechnology Co., Ltd.
  • Hotline:

    +86-13806138270 , 13306231796

    Email: sales@szykbio.com

  • ProductsYour position: Home >Products
    Ammonium bifluoride
    Product name: Ammonium bifluoride
    Molecular formula:

    NH4HF2

    CAS NO.: 1341-49-7
    Index:
    Other:

    Molecular weight :57.04
    Property :White or colorless transparent rametrine system crystal, the commodity is flaky, slightly sour taste, relative density of 1.52, melting point of 125.6 degrees, boiling point of 240 ℃.
    Application :Used as glass etching agent, disinfectant, preservative, solvent of metal beryllium, surface treatment agent of silicon steel plate, also used in the manufacture of ceramics and magnesium alloy.
    Pack:It is packed in 25kg plastic woven bag or composite kraft paper bag, carton or cardboard bucket.

    ITEM YingKe Standard
    Apperance White powder
    Assay % ≥99.0
    Sulfate(SO42-) % ≤0.01
    Ammonium fluoride % ≤0.5
    Iron(Fe) % ≤0.005
    Burning residue ≤0.05
    Chloride(Cl) % ≤0.01
    Heavy meatel(Pb) % ≤0.003
    Drying reduction % ≤0.5

    Contact Us

    If necessary, please contact us, we look forward to your call, thank you!

      Add: No.78 Yangpu Road, Suzhou Industrial Park, China.
      Contact: Jihong Sun
      Tel: +86-13806138270
      Fax: +86-512-62896201

    Online

  • Company name:
  • Contact Us:
  • Content:
  • Verification code:
  • Click refresh validation code
  • HomeAbout UsProductsNewsOnlineContact Us中文版

    Copyright(C)2018, Suzhou Yingke Biotechnology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:蘇ICP備18066123號