茶叶中微量元素含量的分光光度法测定 茶叶中微量元素理论价值和应用价值怎么写
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3. \u8336\u53f6\u4e2d\uff0cCa\uff0cMg\u603b\u91cf\u7684\u6d4b\u5b9a
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4. \u8336\u53f6\u4e2dFe\u542b\u91cf\u7684\u6d4b\u91cf
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\u4e94\u3001\u6ce8\u610f\u4e8b\u9879
1. \u8336\u53f6\u5c3d\u91cf\u6363\u788e\uff0c\u5229\u4e8e\u7070\u5316\u3002
2. \u7070\u5316\u5e94\u5f7b\u5e95\uff0c\u82e5\u7b97\u6eb6\u540e\u53d1\u73b0\u6709\u672a\u7070\u5316\u7269\uff0c\u5e94\u5b9a\u91cf\u8fc7\u6ee4\uff0c\u5c06\u672a\u7070\u5316\u7684\u91cd\u65b0\u7070\u5316\u3002
3. \u8336\u53f6\u7070\u5316\u540e\uff0c\u9178\u6eb6\u89e3\u901f\u5ea6\u8f83\u6162\u65f6\u53ef\u5c0f\u706b\u7565\u52a0\u70ed\uff0c\u5b9a\u91cf\u8f6c\u79fb\u8981\u5b89\u5168\u3002
4. \u6d4bFe\u65f6\uff0c\u4f7f\u7528\u7684\u5438\u91cf\u7ba1\u8f83\u591a\uff0c\u5e94\u63d2\u5728\u6240\u5438\u7684\u6eb6\u6db2\u4e2d\uff0c\u4ee5\u514d\u641e\u9519\u3002
5. 1\uff03250mL\u5bb9\u91cf\u74f6\u8bd5\u6db2\u7528\u4e8e\u5206\u6790Ca\uff0cMg\u5143\u7d20\uff0c2\uff03250mL\u5bb9\u91cf\u74f6\u7528\u4e8e\u5206\u6790Fe\uff0cAl\u5143\u7d20\uff0c\u4e0d\u8981\u6df7\u6dc6\u3002
\u516d\u3001\u601d\u8003\u9898
1. \u9884\u4e60\u601d\u8003
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2. \u8fdb\u4e00\u6b65\u601d\u8003
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绛旓細閾佸簲璇ョ敤鍙鍏夊垎鍏夊厜搴︽硶锛 Mg鐢ㄥ師瀛愬惛鏀跺垎鍏夊厜搴︽硶銆傛垜灏卞仛杩囪繖涓や釜瀹為獙锛屾垜杩欓噷鏈夌焊璐ㄧ殑璧勬枡銆傛病鐢靛瓙鐨勩傛垜缁欎綘璇翠笅澶ф姝ラ鍚э紝鍥犱负閭ｄ笂闈㈠お闀夸簡銆傚彲瑙佸厜鎴戜滑鐢ㄧ殑鏄722鍨嬪垎鍏夊厜搴﹁锛屽氨鏄敤閭讳簩姘潅鑿叉樉鑹叉祴鐨勩傦紙1锛夊疄楠屾潯浠剁殑纭畾1鏄粯鍒跺惛鏀舵洸绾2鏄祴瀹氶偦浜屾爱鏉傝彶-浜氶搧缁滃悎鐗╃殑绋冲畾鎬3...
绛旓細鍘熺悊锛 鑼跺彾涓澶氶厷绫荤墿璐ㄨ兘涓庝簹閾佺瀛愬舰鎴愮传钃濊壊缁滃悎鐗┿傜敤鍒嗗厜鍏夊害娉娴嬪畾鍏鍚噺銆 浠櫒鍜岀敤鍏凤細 瀹為獙瀹ゅ父瑙勪华鍣ㄥ強涓嬪垪鍚勯」锛氬垎鏋愬ぉ骞筹細 鎰熼噺0.0001g銆傚垎鍏夊厜搴︿华銆 璇曞墏鍜屾憾娑诧細 鎵鐢ㄨ瘯鍓傚簲涓哄垎鏋愮函(AR)锛屾按涓鸿捀棣忔按銆 1 閰掔煶閰镐簹閾佹憾娑诧細绉板彇1銆
绛旓細鍏夊害娉曗斺斺旈厭鐭抽吀浜氶搧姣旇壊娉銆傚叾娴嬪畾鍘熺悊鏄尪澶氶厷绫荤墿璐ㄨ兘涓庝簹閾佺瀛愬舰鎴愮传钃濊壊缁滃悎鐗┿傜敤鍒嗗厜鍏夊害娉曟祴瀹氬叾鍚噺銆 鑼跺閰氭爣鍑嗘憾娑茬殑閰嶅埗绉板彇鎻愬彇绾搧0.2500g,鍔犳按婧惰В瀹氬鑷250mL,娣峰寑,鍗充负姣忔鍗囧惈1mg鎻愬彇绾搧鐨勬爣鍑嗘憾娑(mg/mL) 銆 鑼跺閰氱殑鍚噺銆傝尪澶氶厷鏍囧噯鏇茬嚎鐨勭粯鍒躲傚垎鍒惛鍙栬尪澶氶厷鏍囧噯婧舵恫1. 0mL銆2....
绛旓細娌￠瀛愰吀鏍囧噯銆傚垎鍏夊厜搴﹀彂搴斿湪鍚稿厜搴︽病椋熷瓙閰稿伐浣滄爣鍑嗘洸绾跨殑鏍″噯鑼冨洿鍐咃紝鍚稿厜搴﹂珮浜50%g/ml娴撳害鐨勬病椋熷瓙閰告爣鍑嗗伐浣滄憾娑茬殑鍚稿厜搴︼紝閲嶆柊閰嶅埗楂樻祿搴︽病椋熷瓙閰告爣鍑嗗伐浣滄恫杩涜鏍″噯銆鑼跺彾涓澶氶厷绫荤墿璐ㄨ兘涓庝簹閾佺瀛愬舰鎴愮传钃濊壊缁滃悎鐗╋紱鐢鍒嗗厜鍏夊害娉娴嬪畾鍏鍚噺銆
绛旓細鑼跺閰鍚噺鐨娴嬪畾涓昏鍩轰簬鑼跺彾涓澶氶厷绫荤墿璐ㄤ笌浜氶搧绂诲瓙褰㈡垚鐨勭传钃濊壊缁滃悎鐗╋紝閫氳繃鍒嗗厜鍏夊害娉杩涜瀹氶噺銆備互涓嬫槸瀹為獙姝ラ鍜岃绠楁柟娉曠殑璇︾粏鎻忚堪锛1. 瀹為獙浠櫒锛氶渶瑕佸垎鏋愬ぉ骞筹紙鎰熼噺0.0001g锛夊拰鍒嗗厜鍏夊害浠紝浠ュ強瀹為獙瀹ゅ父瑙勭殑姘达紙钂搁姘达級銆2. 閰掔煶閰镐簹閾佹憾娑诧細绉板彇1g锛堢簿纭嚦0.0001g锛夌～閰镐簹閾佸拰5g锛堢簿纭嚦0....
绛旓細4. 鎺屾彙鍒嗗厜鍏夊害娉娴鑼跺彾涓井閲閾佺殑鏂规硶銆5. 鎻愰珮缁煎悎杩愮敤鐭ヨ瘑鐨勮兘鍔涖備簩銆 瀹為獙鍘熺悊 鑼跺彾灞炴鐗╃被锛屼负鏈夋満浣擄紝涓昏鐢盋锛孒锛孨鍜孫绛鍏冪礌缁勬垚锛屽叾涓惈鏈塅e锛孉l锛孋a锛孧g绛夊井閲忛噾灞炲厓绱犮傛湰瀹為獙鐨勭洰鐨勬槸瑕佹眰浠庤尪鍙朵腑瀹氭ч壌瀹欶e锛孉l锛孋a锛孧g绛夊厓绱狅紝骞跺Fe锛孋a锛孧g杩涜瀹氶噺娴嬪畾銆傝尪鍙堕渶鍏堣繘琛屸...
绛旓細瑕佹祴瀹鑼跺彾涓殑鑼跺閰鍚噺锛屽彲浠ュ埄鐢ㄥ叾涓庝簹閾佺瀛愬舰鎴愮传钃濊壊缁滃悎鐗╃殑鐗规э紝閲囩敤鍒嗗厜鍏夊害娉杩涜瀹氶噺鍒嗘瀽銆備互涓嬫槸璇︾粏鐨勬娴嬫祦绋嬪拰鎵闇宸ュ叿涓庤瘯鍓傘傛墍闇璁惧鍖呮嫭鍒嗘瀽澶╁钩锛堟劅閲0.0001g锛夊拰鍒嗗厜鍏夊害浠傚湪瀹為獙鍑嗗闃舵锛岄渶瑕佷互涓嬭瘯鍓傚拰婧舵恫锛氬垎鏋愮函姘存祿搴︿负pH7.5鐨勭７閰哥洂缂撳啿娑诧紝鐢23.377g纾烽吀姘簩閽犲拰閫傞噺...
绛旓細姝ょ粶鍚堢墿鍦ㄦ尝闀540nm澶勬湁鏈澶у惛鏀讹紝鏁呭彲浠ョ敤鍒嗗厜鍏夊害娉姣旇壊瀹氶噺銆2銆侀珮閿伴吀閽炬淮瀹氭硶锛岃尪澶氶厷鏄撴憾浜40-80鈩冪殑鐑按锛屽湪鐢ㄩ潧绾綔鎸囩ず鍓傜殑鏉′欢涓嬶紝鏍锋恫涓殑鑼跺閰氱被鐨勭墿璐ㄨ兘琚珮閿伴吀閽炬哀鍖栵紝鏁呮牴鎹秷鑰1mL0.318g/100mL鐨勯珮閿伴吀閽剧浉褰撲簬5.82mg 鑼跺閰氱殑鎹㈢畻绯绘暟锛屽嵆鍙绠楀嚭鏍峰搧鑼跺彾涓殑鑼跺閰鍚噺...
绛旓細1 鍘熺悊 鑼跺彾涓澶氶厷绫荤墿璐ㄨ兘涓庝簹閾佺瀛愬舰鎴愮传钃濊壊缁滃悎鐗┿傜敤鍒嗗厜鍏夊害娉娴嬪畾鍏鍚噺銆2 浠櫒鍜岀敤鍏 瀹為獙瀹ゅ父瑙勪华鍣ㄥ強涓嬪垪鍚勯」:2.1 鍒嗘瀽澶╁钩: 鎰熼噺0.0001g銆2.2 鍒嗗厜鍏夊害浠3 璇曞墏鍜屾憾娑 鎵鐢ㄨ瘯鍓傚簲涓哄垎鏋愮函(AR),姘翠负钂搁姘淬3.1 閰掔煶閰镐簹閾佹憾娑: 绉板彇1g (鍑嗙‘鑷0.0001g) 纭吀浜氶搧(GB 664...
绛旓細鐢变簬鑼跺彾涓澶氶厷绫荤墿璐ㄨ兘涓庝簹閾佺瀛愬舰鎴愮传钃濊壊缁滃悎鐗╋紱鐢鍒嗗厜鍏夊害娉娴嬪畾鍏鍚噺銆傛娴嬭尪澶氶厷鐨勪华鍣ㄥ拰鐢ㄥ叿 瀹為獙瀹ゅ父瑙勪华鍣ㄥ強涓嬪垪鍚勯」锛氬垎鏋愬ぉ骞筹細 鎰熼噺0.0001g锛涘垎鍏夊厜搴︿华銆傛娴嬭尪澶氶厷鎵鐢ㄧ殑璇曞墏鍜屾憾娑 鎵鐢ㄨ瘯鍓傚簲涓哄垎鏋愮函锛圓R锛夛紝姘翠负钂搁姘淬俻H7.5纾烽吀鐩愮紦鍐叉恫锛氱７閰告阿閽狅細 绉板彇23.377g纾烽吀姘簩閽...
