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      1. 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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