
嘻道奇闻
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牛磺酸含量检测的5大方对比:从滴定法到HPLC如何选择?
馃寮€绡囩伒榄傛嫹闂細鐗涚:閰告娴嬪埌搴曡鐢ㄥ摢绉嶆柟娉曪紵
鍚勪綅鐪嬪畼锛屼粖澶╁挶浠潵鍞犲敔杩欎釜鐪嬩技楂樻繁瀹炲垯鏈夎叮鐨勮瘽棰樷€斺€旂墰纾洪吀妫€娴嬶紒浣犳槸涓嶆槸涔熼亣鍒拌繃杩欎簺鍥版儜锛氳嵂搴楅噷涔扮殑婊寸溂娑插埌搴曞惈澶氬皯鐗涚:閰革紵瀹犵墿楗叉枡鍖呰涓婄殑鎴愬垎琛ㄥ彲淇″悧锛熶负鍟ュ悓涓€娆句繚鍋ュ搧涓嶅悓鏈烘瀯妫€娴嬬粨鏋滃樊閭d箞澶氾紵鍒€ワ紝浠婂ぉ灏辩敤鈥?strong>鈥嬩汉璇濃€?/strong>鈥嬬粰浣犳暣鏄庣櫧锛?/p>
馃攳绗竴鍥炲悎锛氣殩锔忔淮瀹氭硶鈥斺€旂畝鍗曠矖鏆寸殑"鑰佸墠杈?
鈥?strong>鈥?閰哥⒈涓拰璋佷笉浼氾紵"鈥?/strong>鈥?婊村畾娉曞氨鍍忓寲瀛﹁涓婄殑鍩虹瀹為獙锛岄潬閰哥⒈鍙嶅簲灏辫兘娴嬪惈閲忋€傛搷浣滃槢锛屽€掔偣璇曞墏鐪嬮鑹插彉鍖栧氨琛岋紝杩炴垜濂跺ザ閮借兘姣斿垝涓や笅銆?br/> 浣嗛棶棰樻潵浜嗭紒杩欐柟娉曗€?strong>鈥嬭宸兘澶у埌鎬€鐤戜汉鐢熲€?/strong>鈥嬧€斺€斿悓涓€鐡舵淮鐪兼恫锛屼笉鍚屼汉娴嬪彲鑳藉樊鍑哄崐绠″幓銆傛洿鍒閬囧埌澶嶆潅鏍峰搧锛堟瘮濡傛贩浜嗗叾浠栨皑鍩洪吀鐨勪繚鍋ュ搧锛夛紝骞叉壈鍥犵礌澶氬埌鑳藉噾涓€妗岄夯灏嗭紒
馃憠鈥?strong>鈥嬮€傚悎鍦烘櫙鈥?/strong>鈥嬶細宸ュ巶蹇€熸娊妫€銆侀绠楁湁闄愮殑瀹為獙瀹ゅ垵绛?br/> 鉂屸€?strong>鈥嬬炕杞﹁鍛娾€?/strong>鈥嬶細鍗冧竾鍒敤杩欐柟娉曠粰璐典环淇濆仴鍝佸嚭鎶ュ憡锛屽皬蹇冭鎵撳亣锛?/p>
馃寛绗簩鍥炲悎锛氬垎鍏夊厜搴︽硶鈥斺€旈鑹叉父鎴忕殑"濂楄矾鐜╁"
鈥?strong>鈥?榛勪簡灏辨槸鎴愪簡锛?鈥?/strong>鈥?杩欐柟娉曚笓鐩樉鑹插弽搴旓紝鐗涚:閰稿拰璇曞墏涓€纰伴潰灏卞彉榛勶紝棰滆壊瓒婃繁鍚噺瓒婇珮銆傚惉璧锋潵鍍忎笉鍍忓彉鑹查緳鎹夎糠钘忥紵
铏界劧鎴愭湰浣庡埌鎰熶汉锛堣澶囨瘮鎵嬫満杩樹究瀹滐級锛屼絾鈥?strong>鈥嬬伒鏁忓害鍫瘮鑰佽姳闀溾€?/strong>鈥嬧€斺€旀祿搴︿綆浜?.5%鐨勬牱鍝佺洿鎺ユ姄鐬庛€傛洿鍧戠殑鏄瘯鍓傛湁姣掞紝鎿嶄綔鏃跺緱鍏ㄥ壇姝﹁鍍忎釜闃插寲鍏碉紒
馃啔鈥?strong>鈥嬪疄鎴樻渚嬧€?/strong>鈥嬶細鏌愰ゲ鏂欏巶鐢ㄨ繖鏂规硶娴嬪嚭鐗涚:閰歌秴鏍囷紝缁撴灉鎹PLC澶嶆祴鍙戠幇鏄櫄鎯婁竴鍦?..
馃И绗笁鍥炲悎锛氳杽灞傝壊璋辨硶鈥斺€?蹇灙鎵?鐨勮嚜鎴戜慨鍏?/h3>
鈥?strong>鈥?璺戝緱蹇笉涓€瀹氭祴寰楀噯锛?鈥?/strong>鈥?钖勫眰鑹茶氨灏卞儚瀹為獙瀹ら噷鐨勯棯鐢典緺锛?0鍒嗛挓鎼炲畾鍒嗙+妫€娴嬨€備絾绮惧害鍢?..杩欎箞璇村惂锛屽畠鑳芥妸"澶ф鏈夊灏?璇存竻妤氾紝浣嗗叿浣撴槸10%杩樻槸10.5%锛熷埆涓洪毦浜哄浜嗭紒
鏈€杩戞湁涓悶绗戞渚嬶細鏌愰珮鏍$敤杩欐柟娉曟祴娴锋磱鐢熺墿鏍峰搧锛岀粨鏋滄妸鐗涚:閰稿拰鐢樻皑閰歌鎴愬弻鑳炶儙锛岃鏂囧樊鐐硅鎾ょ...
馃绗洓鍥炲悎锛氭皑鍩洪吀鑷姩鍒嗘瀽娉曗€斺€斿湡璞疄楠屽鐨?閽炶兘鍔?
鈥?strong>鈥?璐垫湁璐电殑閬撶悊锛?鈥?/strong>鈥?杩欒澶囩墰鍟婏紒鑳藉悓鏃舵祴18绉嶆皑鍩洪吀锛屾暟鎹簿鍑嗗緱鑳藉綋灏哄瓙鐢ㄣ€備絾浠锋牸鍢?..澶熷湪涓夌嚎鍩庡競涔板鎴夸簡锛佺淮鎶よ垂鐢ㄦ洿鏄儳閽憋紝鎹釜闆朵欢閮借倝鐤笺€?br/> 馃挕鈥?strong>鈥嬭涓氱闂烩€?/strong>鈥嬶細鍥藉唴鑳藉仛杩欐娴嬬殑鏈烘瀯涓嶅埌50瀹讹紝妫€娴嬫姤鍛婃寜瀛楁敹璐逛笉鏄紶璇达紒
馃弳绗簲鍥炲悎锛欻PLC娉曗€斺€旀娴嬬晫鐨?鍏竟褰㈡垬澹?
鈥?strong>鈥?涓哄暐瀹冩垚浜嗚涓氶《娴侊紵"鈥?/strong>鈥?楂樻晥娑茬浉鑹茶氨锛圚PLC锛夊氨鍍忓紑浜嗙編棰滅浉鏈衡€斺€旂伒鏁忓害楂樸€佸噯纭害寮恒€侀€傜敤鑼冨洿骞裤€備絾鏈変釜鑷村懡鐥涚偣锛氬繀椤荤粰鐗涚:閰?鍖栧"锛堣鐢熷寲锛夋墠鑳芥娴嬨€?/p>
馃敡鈥?strong>鈥嬭鐢熷寲澶т贡鏂椻€?/strong>鈥嬶細
- 鈥?strong>鈥婳PA娉曗€?/strong>鈥嬶紙鑽吀鎸囧畾娆撅級锛氭搷浣滃揩濡傞棯鐢碉紙5鍒嗛挓鎼炲畾锛夛紝浣嗚鐢熺墿姣斿啺娣囨穻杩樺鏄撳寲
- 鈥?strong>鈥嬩腹纾洪叞姘硶鈥?/strong>鈥嬶紙鏂版檵缃戠孩锛夛細妫€娴嬮檺浣庤嚦0.17渭g/ml锛屽氨鏄壇浜х墿澶氬緱鑳藉紑鏉傝揣閾?/li>
- 鈥?strong>鈥婦NFB娉曗€?/strong>鈥嬶紙瀹炲姏娲撅級锛氱ǔ瀹氭€у牚姣旈挗绛嬫贩鍑濆湡锛屽氨鏄瘯鍓傛瘨鎬уぇ鍒拌绛剧敓姝荤姸
馃搳鈥?strong>鈥嬬‖鏍告暟鎹姣旇〃鈥?/strong>鈥?/p>
鏂规硶 | 妫€娴嬮檺 | 鎴愭湰 | 鑰楁椂 | 閫傚悎鍦烘櫙 |
---|---|---|---|---|
婊村畾娉?/td> | 锛?% | 馃煝 | 30min | 宸ュ巶蹇€熺瓫鏌?/td> |
HPLC-OPA | 0.5渭g/ml | 馃敶 | 2h | 鑽紒璐ㄩ噺鎺у埗 |
HPLC-涓圭:閰版隘 | 0.17渭g/ml | 馃煛 | 3h | 绉戠爺/绮惧瘑妫€娴?/td> |
馃挕鐙瑙佽В锛氭湭鏉ユ娴嬬殑"榛戠鎶€"鍦ㄥ摢锛?/h3>
鏍规嵁鏈€鏂拌涓氬姩鎬侊紝鈥?strong>鈥婰C-MS鑱旂敤鎶€鏈€?/strong>鈥嬫鍦ㄦ倓鎮勫礇璧凤紒涓嶇敤琛嶇敓鍖栫洿鎺ユ祴锛屽噯纭害杩樿兘鍐嶆彁涓暟閲忕骇銆傝櫧鐒剁幇鍦ㄨ澶囪吹寰楃璋憋紙璧锋浠?00涓囷級锛屼絾闅忕潃鍥戒骇浠櫒鍙戝姏锛岄璁?骞村唴妫€娴嬫垚鏈兘鐮嶅崐鈥斺€斿埌鏃跺€欏挶浠櫘閫氬疄楠屽涔熻兘鐜╄浆楂樼妫€娴嬪暒锛?/p>
馃泿锔忕粓鏋侀€夋嫨鎸囧崡
鎶撻噸鐐硅绗旇鍟︼紒
1锔忊儯 鈥?strong>鈥嬭渚垮疁澶х鈥?/strong>鈥嬧啋閫夋淮瀹氭硶锛堜絾鍒俊绮剧‘鏁版嵁锛?br/>
2锔忊儯 鈥?strong>鈥嬭鍙堝揩鍙堝噯鈥?/strong>鈥嬧啋HPLC閰峅PA锛堣寰椾綆娓╂搷浣滐級
3锔忊儯 鈥?strong>鈥嬩笉宸挶瑕侀€兼牸鈥?/strong>鈥嬧啋鐩存帴涓奓C-MS锛堟湭鏉ヨ秼鍔匡級
4锔忊儯 鈥?strong>鈥嬫棩甯告娊妫€鈥?/strong>鈥嬧啋钖勫眰鑹茶氨澶熺敤锛堝績鎬佽浣涚郴锛?/p>
涓嬫鍐嶇湅鍒版娴嬫姤鍛婏紝璁板緱鍏堥棶锛?鎮ㄧ敤鐨勫暐鏂规硶锛? 鈥斺€旇繖闂涓€闂紝涓撲笟浜哄+绔嬮┈瀵逛綘鍒洰鐩哥湅锛?/p>