鍎跨钀ュ吇涓庡井閲忓厓緔?

浣犲ソ錛佸熀鏈惈涔?br />寰噺鍏冪礌(trace element)錛屽張鍚嶇棔閲忓厓緔狅紝鏈湁緇熶竴璁ゅ彲鐨勫畾涔夈€備範鎯笂鎶婄爺絀朵綋緋?鐭跨墿宀╃煶絳?涓厓緔犲惈閲忓ぇ浜?%縐頒負甯擱噺鍏冪礌鎴栦富瑕佸厓緔?major element)錛屾妸鍚噺鍦?%-0.1%涔嬮棿絳夐偅浜涘厓緔犵О涓烘瑕佸厓緔?minor,subordinate)鍏冪礌錛岃€屾妸鍚噺灝忎簬0.1%縐頒負寰噺鍏冪礌,鎴栫О鐥曢噺鍏冪礌銆傛湁浜烘妸嬈¤鍏冪礌涔熺湅浣滃井閲忓厓緔狅紝榪欏彇鍐充簬鐮旂┒鑰呯殑鍏磋叮鍜屽鐮旂┒闂鐨勫府鍔┿€傛湁浜鴻涓猴紝鍦ㄥ湴澹沖拰鍦扮悆鐗╃悊涓櫎浜哋銆丼i銆丄l銆丗e絳夊嚑涓赴搴︽渶澶х瓑鍏冪礌澶栵紝鍏朵綑鐨勫彲縐頒負寰噺鍏冪礌