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ÏÂÃæÊÇÎÒ×Ô¼ºÁеÄÕë¶ÔµÚ¶þ¸öÎÊÌâµÄÒ»¸ö³õ²½´¦Àí¹ý³Ì£¬´ó¼Ò¿´¿´£¬ÊÇ·ñÓÐÎÊÌ⣿ 1.Porphyrize the Pd/AC. 2.Dry at 105 oC for one hour. 3.Weigh 0.1-0.5 g (accurate to 0.0001 g) to 100 ml conical flask. 4.Add 20 ml concentrated nitric acid , heat to near no solution. Add 5% HNO3£¨¼Ó¶àÉÙ£¿£©. 5.Transfer to 50 ml volumetric flask for constant volume. 6.After standing, get the upper transparent solution for ICP analysis. [ Last edited by wxwdoctor on 2009-7-26 at 20:41 ] |

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