褰撳墠浣嶇疆: 棣栭〉 >> 姝ｆ枃
鍗楁搗鎵�鎴愬姛鏋勫緩娌夌Н鐗╀腑涓嶅悓褰㈡�佹睘瀵規按鐢熺敓鐗╁尯緋昏仈鍚堢敓鎬侀闄╄瘎浠鋒柟娉?/h3>
鏋勫緩鐨勮瘎浠鋒柟娉曟祦紼嬪浘
榪戞棩錛屼腑鍥芥按浜х瀛︾爺絀墮櫌鍗楁搗姘翠駭鐮旂┒鎵�鍗楁搗娓斾笟鐢熸�佺幆澧冪洃嫻嬩笌璇勪環鍒涙柊鍥㈤槦鍩轟簬娌夌Н鐗╀笉鍚屽艦鎬佹睘錛圚g錛夌敓鐗╁彲鍒╃敤鎬э紝鎴愬姛鏋勫緩浜嗕笉鍚屽艦鎬佹睘瀵規按鐢熺敓鐗╁尯緋昏仈鍚堢敓鎬侀闄╄瘎浠鋒柟娉曪紝鐩稿叧鐮旂┒鎴愭灉浠ャ�夾ppraising ecotoxicological risk of mercury species and their mixtures in sediments to aquatic biota using diffusive gradients in thin films (DGT)銆嬩負棰樺彂琛ㄥ湪銆奡cience of the Total Environment銆嬩笂錛堜綔鑰呭垎鍒負璋烽槼鍏夛紙絎竴/閫氳浣滆�咃級銆侀粍媧緣銆佸琺縐�鐜夈�佸粬縐�涓姐�佹埓鏄庯級銆?/p>
Hg鏄竴縐嶅叏鐞冩�с�佹寔涔呮�у拰涓嶅彲閫嗙殑姹℃煋鐗┿�傜敱浜庝漢綾繪椿鍔ㄥ娌挎搗鍜屾渤鍙ｇ敓鎬佺郴緇熼�犳垚浜嗘薄鏌擄紝瀵逛簬姘寸敓鐢熸�佺郴緇熶腑鐨凥g錛堟棤鏈烘睘錛圛nHg錛夊拰鐢插熀姹烇紙MeHg錛夛級鏉ヨ錛屼笌姘翠綋鎴栧叾浠栨按鐢熺敓鐗╃浉姣旓紝娌夌Н鐗╂槸姹炵殑涓昏鈥滄眹鈥濄�傚綋姘寸敓鐜鍙戠敓鍙樺寲鏃訛紙濡俻H絳夛級錛屾矇縐墿涓墍鍚湁鐨凥g浼氶噴鏀懼埌姘翠綋涓紝瀵規按鐢熺敓鐗╀駭鐢熶笉鍒╁獎鍝嶃�傜劧鑰岋紝鍒扮洰鍓嶄負姝紝鍦ㄦ暣涓按鐢熺敓鎬佺郴緇熶腑錛岀壒鍒槸鍦ㄦ矇縐墿涓紝榪樻病鏈夊叧浜嶪nHg鍜孧eHg鐨勬販鍚堢墿瀵規按鐢熺敓鐗╁尯緋昏仈鍚堢敓鎬佹瘨鎬ф晥搴旂殑鐮旂┒銆?/p>
姹炵殑姣掓�т富瑕佸彇鍐充簬瀹冪殑褰㈡�侊紝浼楁墍鍛ㄧ煡錛孧eHg鐨勬瘨鎬ф瘮InHg鏇村ぇ銆傝櫧鐒禝nHg涓嶅鏄撹浜虹殑鑲犺儍緋葷粺鍚告敹錛屼絾瀹冨彲浠ラ�氳繃鐢熺墿鍦扮悆鍖栧榪囩▼杞寲涓篗eHg錛岃繖涔熷皢褰卞搷鐢變簬Hg錛堜緥濡侷nHg鍜孧eHg錛夌殑鐢熺墿鏈夋晥鎬ц�屼駭鐢熺殑鐢熺墿椋庨櫓銆備簨瀹炶瘉鏄庯紝浼犵粺鏂規硶錛堝寘鎷矇縐墿Hg鎬繪祿搴︺�佽繛緇彁鍙栧拰鍚屾椂鎻愬彇Hg 錛圫EM錛?閰告�ф尌鍙戞�х～鍖栫墿錛圓VS錛夋ā鍨嬶級涓嶈兘澶熷緢濂藉湴棰勬祴娌夌Н鐗╀腑Hg鐨勭敓鐗╂湁鏁堟�э紝鍥犳闇�瑕佹洿鏈夋晥鐨勭敓鐗╁彲鍒╃敤鎬х殑鍒嗘瀽鏂規硶銆傛搴︽墿鏁ｈ杽鑶滐紙DGT錛夋妧鏈槸涓�縐嶅彲浠ユ湁鏁堟祴閲廐g鐢熺墿鏈夋晥鎬х殑琚姩閲囨牱鎶�鏈紝鐢ㄤ簬嫻嬮噺姘翠綋銆佹矇縐墿鍜屽湡澹や腑Hg鐨勭敓鐗╂湁鏁堟�ф祿搴︿互鍙婁笉鍚孒g褰㈡�佺殑鍒嗗竷銆傛渶榪慏GT鎶�鏈篃琚敤鏉ラ嫻婬g瀵瑰簳鏍栫敓鐗╃殑姣掓�у拰鐢熺墿鍙埄鐢ㄦ�с�?/p>
澶т簹婀句綅浜庣彔姹熷彛涓滃寳閮紝鍙椾漢綾繪椿鍔ㄥ獎鍝嶈緝澶с�傚叾鍛ㄨ竟鍦板尯浜哄彛瀵嗛泦錛屽悓鏃朵篃鏄箍涓滅渷緇忔祹鍙戝睍鐨勯噸瑕佸尯鍩燂紝鍙繘琛屼笌鐭沖寲銆佸鏂欍�佸嵃鍒風瓑琛屼笟浠ュ強娓彛璐告槗絳夌浉鍏崇殑浜虹被媧誨姩銆備綅浜庡ぇ浜氭咕瑗挎搗宀哥殑涓ゅ駭鏍哥數绔欌�斺�斿ぇ浜氭咕鏍哥數绔欏拰宀境鏍哥數绔欙紝鍒嗗埆浜?994騫村拰2003騫存寮忔姇鍏ュ晢涓氳繍琛屻�傚墠浜虹爺絀惰〃鏄庯紝澶т簹婀炬矇縐墿涓璈g鐨勬�繪祿搴︽樉紺哄嚭杈冨己鐨勭敓鎬侀闄┿�傚悓鏃訛紝澶т簹婀炬槸騫夸笢鐪佺渷綰ч噸瑕佹笖涓氳祫婧愪繚鎶ゅ尯銆?/p>
璇ョ爺絀墮�夊彇澶т簹婀炬按鍩熶負鐮旂┒瀵硅薄錛岄噰鍙栨柟娉曚富瑕佹楠ゆ槸錛氾紙1錛夐噰鐢―GT鎶�鏈澶т簹婀炬矇縐墿涓璉nHg鍜孧eHg榪涜鐢熺墿鍙埄鐢ㄦ�х爺絀訛紝浠庤�岃幏鍙栨矇縐墿涓璉nHg鍜孧eHg鐢熺墿鍙埄鐢ㄦ�ф祿搴︼紱錛?錛変粠緹庡浗鐜繚緗叉瘨鎬ф暟鎹簱錛坔ttps://cfpub.epa.gov/ecotox/錛夎幏鍙栦笉鍚岃惀鍏葷駭姘寸敓鐢熺墿鐨処nHg鍜孧eHg姣掓�ф暟鎹紝鏋勫緩鐗╃鍒嗗竷鏁忔劅鏇茬嚎錛涳紙3錛夊熀浜庯紙1錛夊拰錛?錛夛紝閲囩敤緹庡浗瀹囪埅灞�鍜岀幆淇濈講鎺ㄨ崘鐨勬鐜囬闄╄瘎浠鋒ā鍨嬶紝鑾峰緱InHg鍜孧eHg鐨勭敓鎬侀闄╂鐜囷紱錛?錛変互錛?錛夌粨鏋滀負鍩虹錛岄噰鐢ㄥ鏂ュ畾寰嬭綆桰nHg鍜孧eHg瀵規按鐢熺敓鐗╁尯緋昏仈鍚堢敓鎬侀闄╂鐜囷紝緇撴灉琛ㄦ槑錛屽ぇ浜氭咕娌夌Н鐗╀腑InHg鍜孧eHg瀵規按鐢熺敓鐗╁尯緋葷敓鎬侀闄╂鐜囦負3.32%銆?/p>
璇ョ爺絀惰幏寰楀浗瀹墮噸鐐圭爺鍙戣鍒掆�滆摑鑹茬伯浠撶鎶�鍒涙柊鈥濋」鐩紙2019YFD0901105錛夈�佷腑鍥芥按浜х瀛︾爺絀墮櫌涓ぎ綰у叕鐩婃�х鐮旈櫌鎵�鍩烘湰縐戠爺涓氬姟璐硅祫鍔╋紙2020TD15錛夊拰鍗楁柟嫻鋒磱縐戝涓庡伐紼嬪箍涓滅渷瀹為獙瀹わ紙騫垮窞錛変漢鎵嶅洟闃熷紩榪涢噸澶т笓欏癸紙GML2019ZD0402錛夐」鐩瓑璧勫姪銆?/p>
鍏ㄦ枃閾炬帴錛?/p>
https://www.sciencedirect.com/science/article/pii/S0048969722011615
閲囨牱绔欎綅鍥撅紙A錛夊拰Hg鐨勫艦鎬佸垎甯冨浘錛圔鍜孋錛?/p>
涓嶅悓褰㈡�佹睘瀵逛笉鍚岃惀鍏葷駭姘寸敓鐢熺墿鍖虹郴椋庨櫓姒傜巼
寰俊鎵竴鎵?br>鍒嗕韓鍒版湅鍙嬪湀
鏋勫緩鐨勮瘎浠鋒柟娉曟祦紼嬪浘
榪戞棩錛屼腑鍥芥按浜х瀛︾爺絀墮櫌鍗楁搗姘翠駭鐮旂┒鎵�鍗楁搗娓斾笟鐢熸�佺幆澧冪洃嫻嬩笌璇勪環鍒涙柊鍥㈤槦鍩轟簬娌夌Н鐗╀笉鍚屽艦鎬佹睘錛圚g錛夌敓鐗╁彲鍒╃敤鎬э紝鎴愬姛鏋勫緩浜嗕笉鍚屽艦鎬佹睘瀵規按鐢熺敓鐗╁尯緋昏仈鍚堢敓鎬侀闄╄瘎浠鋒柟娉曪紝鐩稿叧鐮旂┒鎴愭灉浠ャ�夾ppraising ecotoxicological risk of mercury species and their mixtures in sediments to aquatic biota using diffusive gradients in thin films (DGT)銆嬩負棰樺彂琛ㄥ湪銆奡cience of the Total Environment銆嬩笂錛堜綔鑰呭垎鍒負璋烽槼鍏夛紙絎竴/閫氳浣滆�咃級銆侀粍媧緣銆佸琺縐�鐜夈�佸粬縐�涓姐�佹埓鏄庯級銆?/p>
Hg鏄竴縐嶅叏鐞冩�с�佹寔涔呮�у拰涓嶅彲閫嗙殑姹℃煋鐗┿�傜敱浜庝漢綾繪椿鍔ㄥ娌挎搗鍜屾渤鍙ｇ敓鎬佺郴緇熼�犳垚浜嗘薄鏌擄紝瀵逛簬姘寸敓鐢熸�佺郴緇熶腑鐨凥g錛堟棤鏈烘睘錛圛nHg錛夊拰鐢插熀姹烇紙MeHg錛夛級鏉ヨ錛屼笌姘翠綋鎴栧叾浠栨按鐢熺敓鐗╃浉姣旓紝娌夌Н鐗╂槸姹炵殑涓昏鈥滄眹鈥濄�傚綋姘寸敓鐜鍙戠敓鍙樺寲鏃訛紙濡俻H絳夛級錛屾矇縐墿涓墍鍚湁鐨凥g浼氶噴鏀懼埌姘翠綋涓紝瀵規按鐢熺敓鐗╀駭鐢熶笉鍒╁獎鍝嶃�傜劧鑰岋紝鍒扮洰鍓嶄負姝紝鍦ㄦ暣涓按鐢熺敓鎬佺郴緇熶腑錛岀壒鍒槸鍦ㄦ矇縐墿涓紝榪樻病鏈夊叧浜嶪nHg鍜孧eHg鐨勬販鍚堢墿瀵規按鐢熺敓鐗╁尯緋昏仈鍚堢敓鎬佹瘨鎬ф晥搴旂殑鐮旂┒銆?/p>
姹炵殑姣掓�т富瑕佸彇鍐充簬瀹冪殑褰㈡�侊紝浼楁墍鍛ㄧ煡錛孧eHg鐨勬瘨鎬ф瘮InHg鏇村ぇ銆傝櫧鐒禝nHg涓嶅鏄撹浜虹殑鑲犺儍緋葷粺鍚告敹錛屼絾瀹冨彲浠ラ�氳繃鐢熺墿鍦扮悆鍖栧榪囩▼杞寲涓篗eHg錛岃繖涔熷皢褰卞搷鐢變簬Hg錛堜緥濡侷nHg鍜孧eHg錛夌殑鐢熺墿鏈夋晥鎬ц�屼駭鐢熺殑鐢熺墿椋庨櫓銆備簨瀹炶瘉鏄庯紝浼犵粺鏂規硶錛堝寘鎷矇縐墿Hg鎬繪祿搴︺�佽繛緇彁鍙栧拰鍚屾椂鎻愬彇Hg 錛圫EM錛?閰告�ф尌鍙戞�х～鍖栫墿錛圓VS錛夋ā鍨嬶級涓嶈兘澶熷緢濂藉湴棰勬祴娌夌Н鐗╀腑Hg鐨勭敓鐗╂湁鏁堟�э紝鍥犳闇�瑕佹洿鏈夋晥鐨勭敓鐗╁彲鍒╃敤鎬х殑鍒嗘瀽鏂規硶銆傛搴︽墿鏁ｈ杽鑶滐紙DGT錛夋妧鏈槸涓�縐嶅彲浠ユ湁鏁堟祴閲廐g鐢熺墿鏈夋晥鎬х殑琚姩閲囨牱鎶�鏈紝鐢ㄤ簬嫻嬮噺姘翠綋銆佹矇縐墿鍜屽湡澹や腑Hg鐨勭敓鐗╂湁鏁堟�ф祿搴︿互鍙婁笉鍚孒g褰㈡�佺殑鍒嗗竷銆傛渶榪慏GT鎶�鏈篃琚敤鏉ラ嫻婬g瀵瑰簳鏍栫敓鐗╃殑姣掓�у拰鐢熺墿鍙埄鐢ㄦ�с�?/p>
澶т簹婀句綅浜庣彔姹熷彛涓滃寳閮紝鍙椾漢綾繪椿鍔ㄥ獎鍝嶈緝澶с�傚叾鍛ㄨ竟鍦板尯浜哄彛瀵嗛泦錛屽悓鏃朵篃鏄箍涓滅渷緇忔祹鍙戝睍鐨勯噸瑕佸尯鍩燂紝鍙繘琛屼笌鐭沖寲銆佸鏂欍�佸嵃鍒風瓑琛屼笟浠ュ強娓彛璐告槗絳夌浉鍏崇殑浜虹被媧誨姩銆備綅浜庡ぇ浜氭咕瑗挎搗宀哥殑涓ゅ駭鏍哥數绔欌�斺�斿ぇ浜氭咕鏍哥數绔欏拰宀境鏍哥數绔欙紝鍒嗗埆浜?994騫村拰2003騫存寮忔姇鍏ュ晢涓氳繍琛屻�傚墠浜虹爺絀惰〃鏄庯紝澶т簹婀炬矇縐墿涓璈g鐨勬�繪祿搴︽樉紺哄嚭杈冨己鐨勭敓鎬侀闄┿�傚悓鏃訛紝澶т簹婀炬槸騫夸笢鐪佺渷綰ч噸瑕佹笖涓氳祫婧愪繚鎶ゅ尯銆?/p>
璇ョ爺絀墮�夊彇澶т簹婀炬按鍩熶負鐮旂┒瀵硅薄錛岄噰鍙栨柟娉曚富瑕佹楠ゆ槸錛氾紙1錛夐噰鐢―GT鎶�鏈澶т簹婀炬矇縐墿涓璉nHg鍜孧eHg榪涜鐢熺墿鍙埄鐢ㄦ�х爺絀訛紝浠庤�岃幏鍙栨矇縐墿涓璉nHg鍜孧eHg鐢熺墿鍙埄鐢ㄦ�ф祿搴︼紱錛?錛変粠緹庡浗鐜繚緗叉瘨鎬ф暟鎹簱錛坔ttps://cfpub.epa.gov/ecotox/錛夎幏鍙栦笉鍚岃惀鍏葷駭姘寸敓鐢熺墿鐨処nHg鍜孧eHg姣掓�ф暟鎹紝鏋勫緩鐗╃鍒嗗竷鏁忔劅鏇茬嚎錛涳紙3錛夊熀浜庯紙1錛夊拰錛?錛夛紝閲囩敤緹庡浗瀹囪埅灞�鍜岀幆淇濈講鎺ㄨ崘鐨勬鐜囬闄╄瘎浠鋒ā鍨嬶紝鑾峰緱InHg鍜孧eHg鐨勭敓鎬侀闄╂鐜囷紱錛?錛変互錛?錛夌粨鏋滀負鍩虹錛岄噰鐢ㄥ鏂ュ畾寰嬭綆桰nHg鍜孧eHg瀵規按鐢熺敓鐗╁尯緋昏仈鍚堢敓鎬侀闄╂鐜囷紝緇撴灉琛ㄦ槑錛屽ぇ浜氭咕娌夌Н鐗╀腑InHg鍜孧eHg瀵規按鐢熺敓鐗╁尯緋葷敓鎬侀闄╂鐜囦負3.32%銆?/p>
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