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      2. The LED industry

        The fluorescent powder of silicon nitride powder solution

        The buyer: Suzhou * * * photoelectric (China) Co., Ltd. etc.

        Recommended products:

        A1 Grade(4N)High purity silicon nitride powder.

             

        JSH A Grade (4N) of silicon nitride content of trace elements in table

        Element

        Content

        (ppm wt)
        ElementContent(ppm wt)
        Li< 0.5Cd< 0.5
        Be< 0.05In< 0.5
        B< 1Sn< 0.5
        F< 1Sb< 0.5
        Na< 3Te< 0.5
        Mg< 5I< 0.5
        Al<10Cs< 0.5
        P< 3Ba< 0.5
        S< 3La< 0.05
        Cl< 5Ce< 0.5
        K< 3Pr< 0.5
        Ca< 10Nd< 0.05
        Sc< 0.05Sm< 0.05
        Ti< 0.5Eu< 0.05
        V< 0.1Gd< 0.05
        Cr< 5Tb< 0.05
        Mn< 5Dy< 0.05
        Fe< 20Ho< 0.05
        Co< 0.5Er< 0.05
        Ni< 10Tm< 0.05
        Cu< 5Yb< 0.05
        Zn< 0.1Lu< 0.05
        Ga< 0.5Hf< 0.5
        Ge< 0.5Ta< 0.5
        As< 1W< 5
        Se< 0.5Re< 0.1
        Br< 0.1Os< 0.1
        Rb< 0.05Ir< 0.05
        Sr< 0.1Pt< 0.5
        Y< 0.05Au< 0.5
        Zr< 0.5Hg< 0.5
        Nb< 0.5Tl< 0.5
        Mo< 0.5Pb< 0.5
        Ru< 0.1Bi< 0.5
        Rh< 0.5Th< 0.01
        Pd< 0.1U< 0.01
        Ag< 0.1  
        該表元素檢測方式為:GDMS

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