鎽樿

 鍦ㄧ嚎瀵岄泦鏂规硶琚彂灞曠敤浜庝娇鐢ㄦ皹鐏儗鏅牎姝ｇ殑鐭冲ⅷ鐐夊師瀛愬惛鏀跺厜璋辨硶娴嬪畾娴锋按涓殑闀夈€傝鎶€鏈槸鏀圭紪鑷厛鍓嶆姤閬撶殑鎶€鏈苟涓斿畬鍏ㄨ嚜鍔ㄥ寲銆傞晧鐨勮嚜鍔ㄥ瘜闆嗛檷浣庝簡鏍峰搧涓熀璐ㄧ殑娴撳害锛屼娇涔嬩笉骞叉壈闀夊湪瓒呯棔閲忔按骞崇殑娴嬪畾銆傚彲婧舵€ч厤浣?span lang="EN-US">APDC鍜屾牱鍝佸湪涓€涓繛缁敞鍏ョ郴缁熶腑娣峰悎锛屽舰鎴愰潪鏋佹€ч噾灞為厤鍚堢墿锛屽彲鍚搁檮鍒?span lang="EN-US">C18鏌变笂锛岄噾灞為厤鍚堢墿浠庢煴涓礂鑴辩洿鎺ヨ繘鍏ョ煶澧ㄧ倝銆傚湪鏍锋湰鍔犺浇寰幆闂村姞鍚岃酱鐨勭閰稿啿娲楁楠わ紝鍙娇闀夊湪涓€涓礂鑴卞懆鏈熻娴嬪畾銆傚叾浠栫殑鏇存敼鍖呮嫭閱嬮吀閾垫憾娑插拰闈炵紦鍐?span lang="EN-US">APDC閰嶄綋婧舵恫鐨勫疄楠屽绾寲锛屽拰鐢佃剳鍚姩鍔犺浇寰幆锛屽彲鍑忓皯鏍峰搧娑堣€椼€傛牱鍝佺殑瑁呰浇娴侀€熶负2.2 ml/min鍜?span lang="EN-US">55 s鐨勫瘜闆嗘椂闂翠娇骞冲潎鏌辨仮澶嶄负73锛咃紝銆傛牱鍝佸悶鍚愰噺澶х害涓?span lang="EN-US">15涓牱鍝?span lang="EN-US">/ ?锛屾瘡浠芥牱鍝?/span>2ml锛屾瘡4鍒嗛挓鍒嗘瀽涓€娆°€傚閲忔湁闄愮殑鏌遍渶瑕佸皬鏍峰搧閲忥紝鎵€浠ヨ繖涓柟娉曞緢鏈夌敤銆傘€傝鏂规硶鐨勬湁鏁堟€ц娴嬪畾寮€鏀惧ぇ娲嬮晧鍙傝€冭祫鏂?span lang="EN-US">NASS- 3鍜?span lang="EN-US">NASS-4璇佸疄銆傚湪璧ら亾澶钩娲嬬殑娴锋按涓晧鐨勫垎鏋愭樉绀鸿繖涓郴缁熶骇鐢熺殑涓€鑷寸粨鏋溿€?/span>

瀵艰█

鍦ㄨ埞涓婃捣姘翠腑寰噺閲戝睘鐨勫嚑绉嶆娴嬫妧鏈凡缁忓紑鍙戝嚭鏉ャ€傝繖浜涢噾灞炲寘鎷挻閾滈敯閾侀攲姹為摑鍙婇搮鍜岄晧銆備絾鏄粛鐒跺瓨鍦ㄥぇ閲忓厓绱犵殑涓嶈兘鍒嗘瀽锛屽洜涓哄叾浣庢祿搴︽垨缂轰箯鍚堥€傜殑璇曞墏銆傛澶栵紝宀镐笂鍒嗘瀽绯荤粺寰€寰€瀵瑰彲鐢ㄤ簬鐜板満鐨勬柟娉曠殑鍙戝睍鍏呭綋鍙傝€冪郴缁燂紝宀镐笂宸ュ叿鐨勮嚜鍔ㄥ寲鍒嗘瀽绯荤粺鐨勭户缁彂灞曞浜庡噺灏戠敱浜庡垎鏋愭牱鍝佽繃绋嬩腑鐨勬薄鏌撳拰澶ч噺鏍峰搧鐨勫垎鏋愮瓑瀵艰嚧鐨勬綔鍦ㄩ棶棰樻槸蹇呴』鐨勩€傚洜涓洪晧鏈夊緢灏戠壒瀹氳瘯鍓傚瓨鍦紝棰滆壊鎸囨爣鍓傛湁浣庣殑銆侀潪鐗瑰畾鎽╁皵鍚告敹绯绘暟銆傚垎鏋愭捣姘存牱鍝佷腑鐨勯晧涓€鑸湪宀镐笂杩涜锛岀敤瓒呭噣瀹為獙瀹ょ煶澧ㄧ倝鍘熷瓙鍚告敹鍏夎氨娉曘€?/span>

鐭冲ⅷ鐐夊師瀛愬惛鏀跺厜璋辨硶娴嬪畾娴锋按涓棔閲忓厓绱犱竴鐩存槸宀镐笂鍒嗘瀽娴锋按涓憾瑙ｉ噾灞炵殑涓昏鏂规硶銆傜煶澧ㄧ倝鍘熷瓙鍚告敹娉曠洿鎺ュ垎鏋愭捣姘存槸鏈夐檺鐨勶紝鐢变簬璁稿寰噺閲戝睘娴撳害浣庯紝鑰屼笖娴锋按鐨勯珮鐩愬彲鑳藉鑷村共鎵般€備负浜嗗厠鏈嶈繖浜涢棶棰橈紝璁稿璋冩煡浜哄憳浣跨敤濡傛湁鏈鸿悆鍙栨垨绂诲瓙浜ゆ崲鍓嶅垎鏋愮瓑瀵岄泦姝ラ銆傝繖浜涙柟娉曢渶瑕佹磥鍑€瀹ゆ妧鏈紝寰€寰€浣跨敤澶ч噺鐨勬牱鍝佸拰璇曞墏鏌憋紝瀹冧滑鍙兘浼氶潪甯歌€楁椂銆傚湪绾胯繛缁瘜闆嗙郴缁熷彲浠ュ厠鏈嶈繖浜涚己鐐逛互鍙婃彁渚涗簡璁稿鐢ㄤ簬鐥曢噺娴嬪畾鐨勪紭鐐癸細闄嶄綆浜嗘薄鏌撻闄?span lang="EN-US">;杈冧綆鐨勬牱鍝佸拰璇曞墏鐨勬秷鑰?span lang="EN-US">;鎻愰珮浜嗙簿搴?span lang="EN-US">;鍜屽鍔犻噰鏍烽鐜囥€?span lang="EN-US">

鏈枃浠嬬粛涓€绉嶄娇鐢ㄤ竴涓礂鑴卞懆鏈熷娴锋按涓晧杩涜娴嬪畾鐨勮嚜鍔ㄥ瘜闆嗙郴缁燂紝鍦ㄦ牱鍝佹礂鑴变箣闂村鍔犱簡涓€绉嶅悓杞寸閰稿啿娲楁楠ゃ€傝繖绉嶉澶栧啿娲楁楠ゅ彲浣挎牱鍝佺洿鎺ユ敞灏勫埌鐭冲ⅷ鐐夛紝杩愯鏃堕棿鍑忓皯鍒颁竴涓礂鑴卞懆鏈熴€傚叾浠栫殑鏀瑰彉鍖呮嫭閱嬮吀閾垫礂鑴辨恫鍜岄潪缂撳啿APDC閰嶄綋鐨勫疄楠屽绾寲銆傚彧鏈夊湪鏍峰搧鍔犺浇鏃惰爼鍔ㄦ车鎵嶅惎鍔紝鍙娇鏍峰搧鐨勬秷鑰楅噺鍑忓皯銆?span lang="EN-US">

鏂规硶

1鏍囧噯鍜岃瘯鍓?span lang="EN-US">

鎵€鏈夌殑璇曞墏鐡堕兘鐢ㄨ仛涓欑儻鎴栬仛涔欑儻鏉愭枡锛屽鍣ㄦ牴鎹井閲忛噾灞炵殑娓呮礂鎶€鏈偍瀛樺拰澶勭悊銆傚鍣ㄥ湪娲楁钉鍓備腑娴告场鍦?span lang="EN-US">1鍛紝鍐嶈浆绉诲埌10锛呯殑鐩愰吀涓竴涓槦鏈燂紝鐒跺悗浠?/span>  Milli-Q鍘荤瀛愮郴缁熷埗寰楃殑瓒呯函姘村交搴曞啿娲椼€傛牱鍝佹搷浣滃拰璇曞墏鐨勫噯澶囧伐浣滃湪100绾у眰娴佺僵涓繘琛屻€傝瘯鍓傚拰鏍峰搧鐨勫噯澶囧涓?span lang="EN-US">

(1) C18纭呰兌鏌?span lang="EN-US">  璇ュ瘜闆嗘煴鍖呭惈14姣崌鐨?span lang="EN-US">C18鏍戣剛锛屽厖婊?st1:chmetcnv w:st="on" unitname="mm" sourcevalue="2.79" hasspace="False" negative="False" numbertype="1" tcsc="0">2.79mm鐨?span lang="EN-US">PVC绠″唴鐨勪袱涓瀛旇仛涔欑儻鐜荤拑闂达紝瀹夎鍒?span lang="EN-US">AS- 40鑷姩杩涙牱鍣ㄦ墜鑷傜殑灏栫銆傜浉鍚岀殑鏌变篃琚浐瀹氬湪鍚岃酱绾寲鐨勯厤浣撴憾娑茬殑绾胯矾涓娿€傚悓鏍风殑鏌辫鐢ㄦ潵鍘婚櫎閱嬮吀閾典腑寰噺閲戝睘鐨勬薄鏌撱€傜敤娉ㄥ皠鍣ㄥ皢Sep-PakC18鏍戣剛鍜岀敳閱囧浐瀹氬埌2.79姣背i.d.PVC绠★紝姣忎釜鏌卞簳閮ㄧ敤澶氬瓟鑱氫箼鐑啍鍧楀浐瀹氥€?span lang="EN-US">

(2)閰嶄綋  閰嶄綋鐨勬憾娑叉瘡鍛ㄤ竴娆＄敤0.06鍏?/st1:chmetcnv>APDC婧惰В鍦?span lang="EN-US">250ml 0.2M閱嬮吀閾典腑锛岃繖绉嶆憾娑茬敤鍚岃酱瀵岄泦绯荤粺绾寲銆?span lang="EN-US">

(3)閱嬮吀閾靛啿娲?span lang="EN-US">  1鍗?/span>0.01M閱嬮吀閾垫竻娲楁恫鐢?span lang="EN-US">1.2ml6N涓ゆ钂搁鐨勭洂閰搁吀鍖栬嚦pH=4.5銆傚啿娲楁恫閫氳繃婧惰В0.18鍏?/st1:chmetcnv>APDC鍒版憾娑插拰閫氳繃涓や釜鍦ㄥ疄楠屽鍑嗗鐨?span lang="EN-US">C18鏌辨娊鍙栨憾娑茶繘琛岀函鍖?span lang="EN-US">

(4)纭濋吀鍐叉礂  1.5M纭濋吀娲楁恫閫氳繃灏?/span>10 ml 14.7 N HNO₃鍔?/span>鍒?90姣崌MQ鐨勬按涓埗寰椼€?span lang="EN-US">

(5)闀夋爣鍑?span lang="EN-US">  10M甯稿鏍囧噯閫氳繃鍔?span lang="EN-US">56姣崌鐨?st1:chmetcnv w:st="on" unitname="mm" sourcevalue="8.9" hasspace="False" negative="False" numbertype="1" tcsc="0">8.9mM闀夊埌50姣崌MQ姘达紝鍚湁80寰崌14.7 N HNO₃ 銆?250 nM Cd鏍囧噯姣忔湀涓€娆″埗澶囷紝閫氳繃鍔犲叆1.25姣崌鐨?span lang="EN-US">10寰崌鐨勫父澶囨爣鍑嗗埌50姣崌鐨?span lang="EN-US">MQ姘达紝鍚?span lang="EN-US">80 ml 14.7 N鐨勭閰搞€傚伐浣滄爣鍑嗘瘡鏃ュ埗瀹氫竴娆★紝浣跨敤浣庢祿搴﹂晧锛岀敤0.45寰背婊よ啘杩囨护娴锋按锛岀敤14.7 N纭濋吀閰稿寲鑷?span lang="EN-US">pH=1.7銆?

2鑷姩鍦ㄧ嚎瀵岄泦绯荤粺

鏍峰搧鍜岄厤浣撹浣跨敤鎭掓俯姘存荡鐨勮仛姘箼鐑车绠＄殑8閫氶亾锠曞姩娉垫帹鍔ㄣ€備竴涓车璁剧疆12.5 rpm鐨?/span>杞€燂紝鏍锋湰鍜岄厤浣撴祦閫熷垎鍒负2.2 and 0.5 ml min銆傚彧鏈夊湪鏍峰搧鍔犺浇寰幆鏃惰爼鍔ㄦ车鎵嶈寮€鍚紝浠ュ噺灏戞牱鍝佹秷鑰椼€傛墍鏈夊叾浠栨柟闈㈢殑鑼冨洿鏄?st1:chmetcnv w:st="on" unitname="姣背" sourcevalue=".8" hasspace="False" negative="False" numbertype="1" tcsc="0">0.8姣背Teflon绠°€?span lang="EN-US">C18纭呰兌鏌辩敤浜庢祿闆嗗拰鍒嗙闈炴瀬鎬?/span>Cd-APDC澶嶅悎鐗╋紝骞跺浐瀹氬湪AS-40鑷姩杩涙牱鍣ㄨ噦銆?span lang="EN-US">

涓€涓?/span>Teflon 4鏂瑰悜鐨勯€夋嫨鐪熺┖绠＄敤浜庢牱鍝佸姞杞藉拰姝ｅ父鐨勮嚜鍔ㄨ繘鏍峰櫒鍐叉礂/娲楄劚鐨勬儏鍐甸棿鐨勫垏鎹€傚湪姣忎釜鏍峰搧鍔犺浇寰幆鍓嶏紝鏍峰搧鏌辫浣跨敤0.8ml 1.5M纭濋吀鍐叉礂锛岀敤寰瀷鐢电娉靛紩鍏ャ€傞殢鐫€婧舵恫鍐叉礂姝ラ锛岄厤浣撳拰鏍锋湰澶嶅悎鐗╃敤55绉掕杞藉埌鏌变笂銆傛牱鍝佽杞芥湡闂存敞灏勯榾闂ㄦ槸浜ゆ崲鐨勶紝鑰岃嚜鍔ㄨ繘鏍峰櫒鐨勬甯哥▼搴忓紑鍚€傜敤鏉ヨ嚜鑷姩杩涙牱鍣ㄥ啿娲楁恫搴撲腑鐨?/span>1.4 ml 0.01 M CH₃COONH₄鍐叉礂鏌便€傜敤鍏崄姣崌鐢查唶灏嗘牱鍝佷粠鏌变笂娲楄劚 锛岀敳閱囬€氳繃閰告竻娲楄嚜鍔ㄨ繘鏍锋澂鐨勮嚜鍔ㄨ繘鏍峰彛杩涘叆銆傝嚜鍔ㄨ繘鏍峰櫒灏嗗惈閲戝睘鐨勭敳閱囨礂鑴卞埌鐭冲ⅷ鐐夈€傛牱鍝侀€氳繃骞茬嚗锛岀儳鐒︼紝鍜岄浘鍖栥€傚湪涓婁竴涓牱鍝佸師瀛愬寲鏈熼棿涓嬩竴涓牱鍝佸姞杞藉惊鐜繘琛岋紝杩欐牱姣忓皬鏃跺垎鏋愭牱鍝佸彲鏇村銆?span lang="EN-US">

娉ㄥ皠闃€鐨勪綅缃€佽爼鍔ㄦ车鍚姩銆佺數纾佹车鍚姩鍜屾暟鎹噰闆嗙敱閰嶅浜?/span>Metrabyte Dascon-1 A/D瀛旂殑A / D杞崲鍣ㄥ拰涓€涓暟瀛楁帴鍙ｇ殑IBM - PC鍏煎璁＄畻鏈烘帶鍒躲€傚師瀛愬惛鏀跺厜璋变华鏄竴涓湁鑳屾櫙鏍℃鐨?/span>Perkin-Elmer 603銆?span lang="EN-US"> 603鍏夎氨浠厤澶囦簡Perkin-ElmerHGA 500鐭冲ⅷ鐐夊拰AS - 40鑷姩杩涙牱鍣ㄣ€?span lang="EN-US">

鍙傝€冩枃鐚?/span>

銆?/span>Determination of cadmium in seawater using automated on-line preconcentration and direct injection graphitefurnace atomic absorption spectrometry銆?/span>   D. Colbert1,,K.S. Johnson, K.H. Coale

銆?/span>Determination of Cd and Pb in seawater by graphite furnace atomic absorption spectrometry with the use of hydrofluoric acid as a chemical modifier銆?/span>    J.Y. Cabon

銆?/span>鐭冲ⅷ鐐夊師瀛愬惛鏀跺厜璋辨硶娴嬪畾鍐滀骇鍝佷腑寰噺闀夈€?span lang="EN-US">  闄堝墤渚?span lang="EN-US">

銆婄煶澧ㄧ倝鍘熷瓙鍚告敹娉曟祴瀹氶鐢ㄨ弻涓晧鍜岄搮銆?span lang="EN-US">      闄嗐€€姊?/span>

銆婃祳鐐硅悆鍙栧瘜闆?/span>2鐭冲ⅷ鐐夊師瀛愬惛鏀跺厜璋辨硶鍚屾椂娴嬪畾鐜姘存牱鍜屼腑鑽腑瓒呯棔閲忛搮鍜岄晧銆?span lang="EN-US">                      瀛欍€€姊?/span> , 鍚村己鍗?/span>