瀹為獙瀹ら剛寮忕牬纰庢満鐓や腑閽掔殑娴嬪畾鏂规硶

1鑼冨洿

鏈爣鍑嗚瀹氫簡瀹為獙瀹ら剛寮忕牬纰庢満鐓や腑閽掓祴瀹氱殑鏂规硶鎻愯銆佽瘯鍓傚拰鏉愭枡銆佷华鍣ㄨ澶囥€佽瘯楠屾楠ゃ€佺粨鏋滆绠楀拰鏂规硶鐨勭簿瀵嗗害銆?/span>

鏈爣鍑嗛€傜敤浜庤鐓ゃ€佺儫鐓ゅ拰鏃犵儫鐓ゃ€?/span>

2瑙勮寖鎬у紩鐢ㄦ枃浠?/span>

涓嬪垪鏂囦欢涓殑鏉℃閫氳繃鏈爣鍑嗙殑寮曠敤鑰屾垚涓烘湰鏍囧噯鐨勬潯娆俱€傚嚒鏄敞鏃ユ湡鐨勫紩鐢ㄦ枃浠讹紝鍏堕殢鍚庢墍鏈夌殑淇敼鍗曪紙涓嶅寘鎷嫎璇殑鍐呭)鎴栦慨璁㈢増鍧囦笉閫傜敤浜庢湰鏍囧噯,鐒惰€岋紝榧撳姳鏍规嵁鏈爣鍑嗚揪鎴愬崗璁殑鍚勬柟鐮旂┒鏄惁鍙娇鐢ㄨ繖浜涙枃浠剁殑鏈€鏂扮増鏈€傚嚒鏄笉娉ㄦ棩鏈熺殑寮曠敤鏂囦欢锛屽叾鏈€鏂扮増鏈€傜敤浜庢湰鏍囧噯銆?/span>

GB/T483鐓ょ偔鍒嗘瀽璇曢獙鏂规硶涓€鑸瀹?/span>

3鏂规硶鎻愯

鐓ゆ牱鐏板寲锛岀劧鍚庣敤纰辩啍铻嶃€佹哺姘存蹈鍙栥€傛蹈鍙栨恫涓姞鎺╄斀鍓備互娑堥櫎骞叉壈鍏冪礌鐨勫奖鍝嶃€傚湪纾烽吀浠嬭川涓紝浜斾环閽掍笌2-锛?/span>5-婢?/span>-2-鍚″暥鍋舵爱)-5-浜屼箼鑳跺熀鑻厷锛?/span>Br-PADAP)鍜岃繃姘у寲姘㈠舰鎴愭湁鑹茬殑涓夊厓缁滃悎鐗╋紝鐒跺悗杩涜鍏夊害娴嬮噺锛屾眰寰楅拻鍚噺銆?/span>

4璇曞墏鍜屾潗鏂?/span>

4.1杩囨哀鍖栭挔锛氱矑鐘躲€?/span>

4.2姘㈡哀鍖栭挔锛?/span>GB629锛夛細绮掔姸銆?/span>

4.3 姘㈡哀鍖栭挔婧舵恫锛?/span>c(NaOH)=1mol/L銆傜О鍙?/span>40g姘㈡哀鍖栭挔锛屾憾浜?/span>1L姘翠腑銆?/span>

4.4纭吀婧舵恫锛?/span>c锛?/span>1/2H2SO.)=1mol/L銆?/span>

鍚稿彇27.8mL娴撶～閰?/span>(GB625锛夋參鎱㈠姞鍏ヤ竴瀹氶噺鐨勬按涓苟涓嶅仠鎼呮媽锛屽喎鍗磋嚦瀹ゆ俯鍚庯紝绋€閲婅嚦11銆?/span>

4.5纭吀婧舵恫锛氫綋绉瘮涓?/span>1+6銆?/span>

灏?/span>10mL娴撶～閰告參鎱㈠姞鍏?/span>60mL鐨勬按涓苟涓嶅仠鎼呮媽锛屽喎鍗磋嚦瀹ゆ俯鍚庯紝瑁呯摱澶囩敤銆?/span>

4.6娣峰悎鎺╄斀鍓傦細

绉板彇2.5g1.2-鐜繁浜岃兌鍥涗箼閰革紙CYDTA锛夛紝鐢ㄥ皯閲忔阿姘у寲閽犳憾娑诧紙4.3锛夋憾瑙ｏ紝鍔?/span>5g姘寲閽?/span>(GB 1264锛夈€?/span>25 g鐒︾７閰搁挔锛?/span>GB3107锛夛紝鐢ㄦ按婧惰В骞剁█閲婅嚦500mL锛屽偍浜庡鏂欑摱涓€?/span>

4.7缂撳啿婧舵恫锛?/span>pH=1.7銆?/span>

绉板彇110g纾烽吀姘簩閽狅紙GB1263锛夋憾浜庢按涓紝鍔?/span>100mL纾烽吀锛?/span>GB282锛夛紝鐢ㄦ按绋€閲婅嚦1L銆?/span>

纾烽吀搴旇繘琛屽涓嬮澶勭悊锛氬彇涓€瀹氶噺鐨勭７閰革紝鍔犵儹鑷冲啋娉★紝村姞3.2銆?/span>g/L鐨勯珮閿伴吀閽撅紙GB643锛夋憾娑茶嚦婧舵恫鍛堢ǔ瀹氬井绾㈣壊锛岃鐡跺鐢ㄣ€傛柉鍑?/span>

4.8 Br-PADAP涔欓唶婧舵恫锛?/span>0.5g/L銆?/span>

绉板彇0.25 g 2-锛?/span>5-婧?/span>-2-姣楀暥鍋舵爱)-5-浜屼箼鑳跺熀鑻厷锛?/span>Br-PADAP)婧朵簬500mL鏃犳按涔欓唶(GB678)涓€?/span>

4.9杩囨哀鍖栨阿婧舵恫锛氫綋绉垎鏁?/span>3%銆?/span>

鍙?/span>3mL杩囨哀鍖栨阿(GB6684锛夛紝鍔?/span>97mL姘达紝鐜伴厤鐜扮敤銆?/span>

4.10浜旀哀鍖栦簩閽掓爣鍑嗘憾娑插偍澶囨恫锛?/span>100 渭g/mL銆?/span>

绉板彇缁?/span>400鈩?/span>~500鈩冪厖鐑?/span>2h鐨勪簲姘у寲浜岄拻锛?/span>HG3485)0.1000g(绉板噯鑷?/span>0.0002g锛夛紝鍔犲叆10mL姘㈡哀鍖栭挔婧舵恫(4.3)婧惰В锛岀劧鍚庣敤10mL纭吀婧舵恫锛?/span>4.4)涓拰骞惰繃閲?/span>5mL锛屽皢婧舵恫绉诲叆1L瀹归噺鐡朵腑锛岀敤姘寸█閲婂埌鍒诲害锛屾憞鍖€鏀剧疆澶囩敤銆?/span>

4.11浜旀哀鍖栦簩閽掓爣鍑嗗伐浣滄憾娑诧細10 渭g/mL銆?/span>

鍚稿彇涓婅堪婧舵恫 50.0 mL浜?/span>500mL瀹归噺鐡朵腑锛岀敤姘寸█閲婂埌鍒诲害锛屾憞鍖€銆?/span>

4.12瀵圭鍩鸿嫰閰氭寚绀哄墏锛?/span>1g/L涔欓唶婧舵恫銆?/span>

4.13瀹氭€ф护绾革細涓€熴€?/span>

5浠櫒鍜岃澶?/span>

5.1椹紬鐐夛細鑳芥帶娓╁湪锛?/span>600卤10)鈩冨拰锛?/span>650卤10锛夆剝鈩冿紝閫氶鑹ソ銆?/span>

5.2鍒嗗厜鍏夊害璁°€?/span>

5.3鍒氱帀鍧╁煔锛氬閲?/span>25mL^30mL銆?/span>

5.4鍒嗘瀽澶╁钩锛氭劅閲?/span>0.1mg銆?/span>

5.5瀹归噺鐡讹細50mL鍜?/span>100mL銆?/span>

5.6鐑ф澂锛?/span>250mL銆?/span>

5.7绉绘恫绠★細鍗曞埢搴︼紝1mL銆?/span>2mL銆?/span>3mL銆?/span>5mL銆?/span>10mL銆?/span>

5.8鐢电倝锛?/span>1000W锛屾俯搴﹀彲璋冦€?/span>

6娴嬪畾姝ラ

6.1宸ヤ綔鏇茬嚎鐨勭粯鍒?/span>

6.1.1鍒嗗埆鐢ㄧЩ娑茬锛?/span>5.7)鍚稿彇0mL銆?/span>1.0mL銆?/span>2.0mL銆?/span>3.0mL銆?/span>4.0mL鍜?/span>5.0mL浜旀哀鍖栦簩閽掓爣鍑嗗伐浣滄憾娑?/span>(4.11)锛屼簬50mL瀹归噺鐡朵腑锛屽姞5mL娣峰悎鎺╄斀鍓傦紙4.6锛夈€?/span>2村纭濆熀鑻厷鎸囩ず鍓傦紙4.12锛夛紝鐢ㄧ～閰告憾娑诧紙4.5锛夎皟鍒版憾娑茬敱榛勮壊鍙樹负鏃犺壊銆?/span>

6.1.2鍔?/span>10mL缂撳啿婧舵恫(4.7)銆?/span>2mL Br-PADAP涔欓唶婧舵恫(4.8锛夛紝鎽囧寑锛屽啀鍔?/span>1mL杩囨哀鍖栨阿婧舵恫锛?/span>4.9锛夛紝鍔犳按绋€閲婂埌鍒诲害锛屾憞鍖€锛屾斁缃?/span>60 min銆?/span>

6.1.3鍦ㄥ垎鍏夊厜搴﹁涓婏紝鐢?/span>10mm姣旇壊鐨夸簬600 nm娉㈤暱涓嬶紝浠ユ爣鍑嗙┖鐧芥憾娑蹭负鍙傛瘮锛屾祴閲忓悇鏍囧噯婧舵恫鐨勫惛鍏夊害銆?/span>

6.1.4浠ヤ簲姘у寲浜岄拻鍚噺锛埼?/span>g锛変负妯潗鏍囷紝鍚稿厜搴︿负绾靛潗鏍囷紝缁樺埗宸ヤ綔鏇茬嚎銆?/span>

6.2鐓ゆ牱娴嬪畾

6.2.1鐓ゆ牱鐨勭伆鍖?/span>

鍑嗙‘绉板彇绮掑害灏忎簬0.2mm鐨勭┖姘斿共鐕ョ叅鏍?/span>1g(绉板噯鑷?/span>0.0002 g)浜庡潻鍩氾紙5.3锛変腑锛屾斁鍏ラ┈寮楃倝锛?/span>5.1)锛岀敱瀹ゆ俯閫愭笎鍔犵儹鑷筹紙600卤10锛?/span>C)锛屽苟鍦ㄦ娓╁害涓嬬伡鐑ц嚦灏?/span>1h锛岀洿鑷虫棤榛戣壊鐐矑锛屽彇鍑哄潻鍩氬苟鍐峰嵈鑷冲娓┿€?/span>

娉細鍙牴鎹拻鐨勫惈閲忛€傚綋澧炲噺绉版牱閲忋€?/span>

6.2.2鐏版牱鐨勫鐞?/span>

鍦ㄧ洓鏈夌伆鏍风殑鍒氱帀鍧╁煔涓姞鍏?/span>4g姘㈡哀鍖栭挔锛?/span>4.2)鍜?/span>1g杩囨哀鍖栭挔锛?/span>4.1锛夛紝鏀惧叆椹紬鐐変腑锛屽湪淇濊瘉鐔旀牱涓嶉婧呭拰涓嶆孩鍑虹殑鎯呭喌涓嬶紝鐢卞娓╅€愭笎鍔犵儹鍒?/span>(650卤10)鈩?/span>,鍦ㄦ娓╁害涓嬬啍铻?/span>10 min锝?/span>15 min锛屽彇鍑哄湴鍩氬苟鍐峰嵈鑷冲娓┿€?/span>

灏嗗潻鍩氭斁鍏ョ儳鏉紙5.6)涓紝鍔?/span>50 mL~60mL娌告按锛屼簬鐢电倝锛?/span>5.8)涓婄叜娌?/span>1min~2 min銆傚彇涓嬬儳鏉?/span>.鐢ㄧ儹姘存礂娑ゅ潻鍩氥€傚皢婧舵恫绉诲叆100mL瀹归噺鐡?/span>(5.5)涓紝鍐峰嵈鑷冲娓╋紝鐢ㄦ按绋€閲婂埌鍒诲害锛屾憞鍖€锛岄潤缃繃澶滄垨鐢ㄥ畾鎬ф护绾革紙4.13锛夊共杩囨护銆?/span>

娉細骞茶繃ゆ槸鎸囨墍鐢ㄧ殑浠櫒鍜屾潗鏂欙紙濡傛紡鏂椼€佺儳鏉拰ょ焊绛夛級鍧囦负骞茬嚗鍜屾磥鍑€鏃剁殑杩囨护銆?/span>

6.2.3鏍峰搧绌虹櫧婧舵恫鐨勫埗澶?/span>

鍒嗚В涓€鎵规牱鍝佸簲鍚屾椂鍒跺涓€涓牱鍝佺┖鐧芥憾娑诧紝鍒跺鏂规硶鍚?/span>6.2.2锛屽彧鏄笉鍔犵伆鏍枫€?/span>

6.2.4娴嬪畾

鍑嗙‘鍚稿彇鏍峰搧涓婇儴娓呮恫鎴栨护娑?/span>10mL鍙婃牱鍝佺┖鐧芥憾娑?/span>(6.2.3)10 mL锛屽垎鍒斁浜?/span>50mL瀹归噺鐡朵腑锛屽姞5mL娣峰悎鎺╄斀鍓傦紝2村纭濆熀鑻厷鎸囩ず鍓傦紝鐢ㄧ～閰告憾娑诧紙4.5锛夊皬蹇冭皟鍒伴粍鑹插彉涓烘棤鑹层€傛寜6.1.2鍜?/span>6.1.3浣嗕互鏍峰搧绌虹櫧婧舵恫涓哄弬姣旓紝娴嬪畾鏍峰搧婧舵恫鐨勫惛鍏夊害銆備粠宸ヤ綔鏇茬嚎涓婃煡寰楁牱鍝佹憾娑蹭腑浜旀哀鍖栦簩閽掔殑鍚噺锛埼?/span>g锛夈€?/span>

娉細鍙牴鎹瘯鏍锋€绘憾娑蹭腑閽掑惈閲忛€傚綋澧炲噺鍚告恫閲忋€?/span>

7缁撴灉璁＄畻

绌烘皵骞茬嚗鐓ゆ牱涓拻鐨勮川閲忓垎鏁?/span>Va(渭g/g锛夋寜鍏紡锛?/span>1锛夎绠楋細

m1闄や互m鍦ㄤ箻浠?/span>100闄や互V脳0.56u

M1鈥斺€斾粠宸ヤ綔鏇茬嚎涓婃煡寰楃殑鏍峰搧婧舵恫涓簲姘у寲浜岄拻鐨勫惈閲忥紝鍗曚綅涓哄井鍏嬶紙渭g锛夛紱

m鈥斺€旂┖姘斿共鐕ョ叅鏍风殑璐ㄩ噺锛屽崟浣嶄负鍏嬶紙g)锛?/span>

v鈥斺€斾粠100-mL璇曟牱婧舵恫涓垎鍙栫殑婧舵恫浣撶Н锛屽崟浣嶄负姣崌锛?/span>mL)锛?/span>

0.56鈥斺€旂敱浜旀哀鍖栦簩閽掓崲绠楁垚閽掔殑鍥犲瓙銆?/span>

璁＄畻缁撴灉鎸?/span>GB/T483涓殑瑙勫垯淇害鑷冲皬鏁扮偣鍚?/span>1浣嶏紝鍙栭噸澶嶆祴瀹氱粨鏋滅殑骞冲潎鍊间慨绾﹀埌涓綅鎶ュ嚭銆?/span>