we are the manufacture factory in china ,we can products it as customer's request SPECIFICATIONS: CODETREM min %La/TREM min %RE-Impurities max % Non-RE-Impurities max %CePrNdSmYFeMgCaZnSiAlWMoCOSLa-19999.90.030.010.010.010.010.20.010.010.010.030.030.030.030.030.030.01La-299990.50.030.030.010.010.20.010.020.010.050.050.050.05 price lanthanum metal
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