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    Shaowu Huaxin Chemical CO.,LTD.

        Main products

     

    Electronic grade Hydrofluoric Acid

     

    Properties:

            Molecular Formula:HF ,Molecular Weight: 20.01

    The product is a colorless and transparent solution. It has a strongly pungent odor and a strong toxicity. It is very corrosive.

    Specification

    Item

    Index

    Class EL

    Class UP

    Class UP-S

    Equivalent

    SEMI C1 C2

    Equivalent

    SEMI C7

    Equivalent

    SEMI C8

    Hydrogen Fluoride  (HF), w/%

    49.0-49.5

    49.0-49.5

    49.0-49.5

    Granules (≥ 0.5 μm ) p /ml ≤

    25

    25

    25

    Granules(≥ 0.3 μm ) p /ml ≤

    -

    150

    150

    Granules(≥ 0.2 μm) p /ml ≤

    -

    300

    300

        Color, hazen  ≤

    10

    10

    10

     Silicofluoric Acid,  H2SiF6  ppm ≤

    100

    20

    20

      Chloride,Cl ppm ≤

    5

    5

    0.5

       Nitrate ,NO3 ppm ≤

    3

    3

    0.3

       Phosphate ,PO4 ppm ≤

    1

    1

    0.1

       Sulfite,SO3 ppm ≤

    5

    2

    0.2

        Sulfate , SO4 ppm ≤

    0.5

    0.2

     Metal

     ions

    ppb

       ≤

       Zn   

    50

    10

    10

       Na  

    200

    10

    1

       Mg   

    200

    10

    1

      Pt  、K  、  Ti、Al   、 Mo  

      Ba  、Ca  、Fe   

    100

    10

    1

      Pb  、As   、Cd 、Ni

    50

    10

    1

      Sn 、Mn 、Cr 、Co 、Cu、Ga

      Ge           

    20

    10

    1

      Au 、Be 、Bi 、Li  、Ag             

    20

    5

    1

      Sr  、Tl 、Sb 、V    

    -

    10

    1

     

    Storage:

           The product should be stored in a storehouse with good ventilation.

    Transport:

           It should be treated as Grade A inorganic acid corrosive goods during its transportation. Avoid heating   

      or getting wet in the rain. Slightly load and unload. Avoid striking.

    Packing:

            The product is filled in a 25 kg polythene plastic drum; Also fill it on consumer requests.   

     

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