1
鍏跺疄杩樻湁绠�鏄撶殑
娴嬪畾娉?/p>
锛屾柟娉曞涓嬶細
1.
灏?/p>
鍦熷￥
缁忛涔捐繃绛涘鐞嗗悗锛岀Г鍙?/p>
20 g
涔嬪湡鏍锋柤
50 mL
涔嬬儳鏉唴锛屽姞鍏?/p>
20 mL
璇曞墏
姘寸洊
涓婅〃鐜荤拑锛屽苟涓旀寔缁悈鎷?/p>
鎮诞娑?/p>
5
鍒嗛挓銆傝嫢鍚湁鍚告按鎬х殑鍦熷￥鎴?/p>
鐩愮被
绛夊叾瀹冨鏉?/p>
鍩鸿川
锛屽彲
棰濆鍔犲叆鏇村璇曞墏姘达紝骞惰褰曞姞鍏ユ按閲忋�?/p>
2.
闈欑疆鎮诞娑茬害
1
灏忔椂锛屼娇鎮诞娑茬殑澶ч儴鍒嗗浐浣撴矇娣�锛屽繀瑕佹椂鍒╃敤杩囨护鎴栫蹇冨彇寰楁按鐩稿眰锛?/p>
浠?/p>
pH
浠?/p>
鐢垫瀬
娴嬪畾鍏?/p>
pH
鍊笺�?/p>
杩欐槸缇庡浗鍦熷￥瀛︿細鐨勬爣鍑嗘祴瀹氭硶涔嬩竴锛?/p>
鍙涓嶆槸杩囬吀鎴栬繃纰憋紝
鍩烘湰涓婅繖涓柟娉曟槸鏈�绠�鏄撴柟渚裤�?/p>
鍦熷￥鍐滃寲鍒嗘瀽鏂规硶鎬荤粨
1
鍦熷￥閰哥⒈搴︼紙
pH
锛夌殑娴嬪畾锛氱數浣嶆祴瀹氭硶
1.1
鍘熺悊锛氱敤姘存垨涓�х洂鍙互鎻愬彇鍑哄湡澹や腑姘存憾鎬ф垨浜ゆ崲鎬ф阿绂诲瓙銆傜敤
PH
鐜荤拑
鐢垫瀬鍋氭寚绀虹數鏋侊紝
鐢樻睘鐢垫瀬涓哄弬姣旂數鏋侊紝
娴嬪畾娴稿嚭娑茬殑鐢典綅宸�?/p>
鍥犲弬姣旂數鏋佺數浣?/p>
鏄浐瀹氱殑锛屽洜鑰岀數浣嶅樊鐨勫ぇ灏忓喅瀹氫簬璇曟恫涓殑姘㈢瀛愭祿搴︺�傜敤
PH
璁＄洿鎺ヨ鍑?/p>
PH
鍊笺�?/p>
1.2
涓昏浠櫒锛?/p>
pH
閰稿害璁°�佸皬鐑ф澂銆佹悈鎷屽櫒銆?/p>
1.3
璇曞墏閰嶅埗锛?/p>
(1)pH4.01
鏍囧噯缂撳啿娑层�傜О鍙栫粡
105鈩冪儤骞茬殑鑻簩鐢查吀姘㈤捑
(KHC8H4O4) 10.21g
锛?/p>
鐢ㄨ捀棣忔按婧惰В鍚庣█閲婅嚦
1000ml
銆?/p>
(2)pH6.87
鏍囧噯缂撳啿娑层�?/p>
绉板彇鍦?/p>
45鈩冪儤骞茬殑纾烽吀浜屾阿閽?/p>
(KH2PO4)3.39g
鍜屾棤姘寸７
閰告阿浜岄挔
(Na2HPO4)3.53g
锛屾憾瑙ｅ湪钂搁姘翠腑锛屽畾瀹硅嚦
1000ml
銆?/p>
(3)pH9.18
鏍囧噯缂撳啿娑层�傜О
3.80g
纭肩爞(Na2B4O7路10H2O)婧朵簬钂搁姘翠腑锛屽畾瀹硅嚦
1000ml
銆傛婧舵恫鐨?/p>
pH
鍊煎鏄撳彉鍖栵紝搴旀敞鎰忎繚瀛樸�?/p>
1.4
鎿嶄綔姝ラ锛?/p>
绉拌繃
1
mm
绛涢骞插湡鏍?/p>
10.0
g
浜?/p>
50
ml
楂樺瀷灏忕儳鏉腑锛?/p>
鍔犲叆
25
ml
鏃?/p>
CO2
姘存垨
1.0 M KCl
婧舵恫锛屾悈鍔?/p>
2
鍒嗛挓锛屼娇鍦熶綋鍏呭垎鏁ｅ紑锛屾斁缃崐灏忔椂锛岀敤
PH
璁℃祴瀹氥�傛棦灏嗙數鏋佺悆閮ㄦ彃鍏ュ湡澹ゆ偓娑蹭腑杞昏交杞姩锛屽緟鐢垫瀬鐢典綅杈惧埌骞宠 锛屾寜
涓嬭鏁板紑鍏筹紝娴嬭
PH
鍊笺�傛瘡娴嬩竴涓牱娑诧紝鐢ㄦ按鍐叉礂鐢垫瀬鐞冮儴锛屽苟鐢ㄦ护绾歌交杞诲惛
骞叉按鍒嗭紝鍐嶈繘琛岀浜屼釜鏍锋恫娴嬪畾銆傛祴
5
鈥?/p>
6
涓牱鍝侊紝鐢?/p>
PH
鏍囧噯缂撳啿娑叉牎姝ｄ竴娆°�?/p>
2
鍦熷￥鏈夋満璐ㄧ殑娴嬪畾
2.1
鍦熷￥鏈夋満纰充笉鍚屾祴瀹氭柟娉曠殑姣旇緝鍜岄�夌敤