ç¼è
æ¼é³åï¼Qiongzhi
è±æåï¼Agar
ç¼è主è¦æ¯ç±ç³è±èãæ±è èãæ«æç´«èã鸡æ¯èç红è»ç¨çæ°´æååºæ¥çä¸ç§æµ·è»å¤ç³ãæ¯äººç±»ææ©å¼å§ä½¿ç¨çè¶ååã
ç¼èçåå¦ç»æ
ç¼èçåå¦ç»æè¾å¤æï¼ä¸è¬è®¤ä¸ºæ¯ç±ç¼äºç³ä¸ºéª¨æ¶ç»æçé¾åååä¸æ§ç³ãå
¶ä¸çç¼äºç³æ¯ç±1ï¼3è¿æ¥çβ-D-å¡ååä¹³ç³ä¸1ï¼4è¿æ¥ç3ï¼6-å
é-α-L-å¡ååä¹³ç³åå¤äº¤æ¿è¿æ¥çé¾åååä¸æ§ç³ãå¦å¤è¿å«æå°éçL-åä¹³ç³ï¼6-ç²åº-D-åä¹³ç³åD-æ¨ç³ï¼åç¡«é
¸åºãä¸é
®é
¸åè¡èç³éé
¸ã
ç¼èçè¶ä½åå¦ç¹æ§
â 溶解æ§ï¼ä¸æº¶äºå·æ°´åæ æºãææºæº¶åä¸ãå çå¨85â以ä¸å¯æº¶è§£äºæ°´ï¼
â è¶åæ§ï¼å¨æ°´ä¸å ç溶解åï¼æ¾å·è³28-35âåå½¢æåè¶ã
â åè¶å¼ºåº¦ï¼ååèå度è¶å¤§ãååé¾è¶é¿ï¼åè¶å¼ºåº¦è¶å¤§ï¼åä¹³ç³çå«é对å
¶äº¦æå½±åï¼
â ä¸åºæ§è±è¶ãéèè¶ãé»åè¶è½è¶ä½äº§çååä½ç¨ï¼æé«åè¶çå¼¹æ§åä¿æ°´æ§ã
æ¬åç³»èªç³è±èGelidium amansii Lamxæå
¶ä»æ°ç§çº¢è»ç±»æ¤ç©ä¸æµ¸åºå¹¶ç»è±æ°´å¹²ç¥çé»æ¶²è´¨ã
ãæ§ç¶ã 线形ç¼èåç»é¿æ¡ç¶ï¼ç±»ç½è²ææ·¡é»è²ï¼åéæï¼è¡¨é¢ç±ç¼©ï¼å¾®æå
æ³½ï¼
质轻软èé§ï¼ä¸æææï¼å®å
¨å¹²ç¥åï¼åèèæç¢ï¼æ èï¼å³æ·¡ã
ç²ç¶ç¼è为é³çç¶ç²æ«ï¼æ è²ææ·¡é»è²ï¼ç¨å·æ°´è£
ç½®ï¼å¨æ¾å¾®éä¸è§å¯ï¼ä¸ºæ è²ç
ä¸è§åå¤è§å½¢é»æ¶²è´¨ç¢çï¼æ èï¼å³æ·¡ã
æ¬åå¨æ²¸æ°´ä¸æº¶è§£ï¼å¨å·æ°´ä¸ä¸æº¶ï¼ä½è½è¨èæè¶åç¶ï¼æ°´æº¶æ¶²æ¾ä¸æ§ååºã
ãé´å«ã (1) åæ¬å约1gï¼å æ°´65mlï¼ç
®æ²¸ï¼ä¸ææ
æ使溶解ï¼ç¨ç水补足è¸æ£çæ°´åï¼æ¾å·è³32ï½39âï¼å³åç»æåéææå¼¹æ§çåè¶ç¶ç©ï¼çè³85âæ¶å¤èåã
(2) åæ¬åçç¢çï¼æµ¸å
¥0.02mol/Lç¢æº¶æ¶²ä¸ï¼æ°åéåï¼æææ£é»è²ï¼ååºï¼å 水浸æ¸åæ¸åç´«è²ã
(3) åæ¬å约0.1gï¼å æ°´20mlï¼å ç使溶解ï¼ååº4ml ï¼å çé
¸0.5ml ï¼ç½®æ°´æµ´ä¸å ç30åéï¼å å
¥æ°¢æ°§åé è¯æ¶²3ml å碱æ§é
ç³é
¸éè¯æ¶²6ml ï¼ç½®æ°´æµ´ä¸å çï¼å³çæ红è²æ²æ·ã
ãæ£æ¥ã æ·ç² åæ¬å0.10g ï¼å æ°´100ml,ç
®æ²¸æº¶è§£åï¼æ¾å·ï¼å ç¢è¯æ¶²2 æ»´ï¼ä¸å¾æ¾èè²ã å¹²ç¥å¤±é åæ¬åï¼å¦ä¸ºæ¡ç¶ï¼åºåªç¢ï¼ï¼å¨105 âå¹²ç¥5 å°æ¶ï¼å失ééä¸å¾è¿22.0ï¼
.
ç°å åæ¬å约1gï¼ç½®ç½ç¼è³æéçå©åä¸ï¼ç²¾å¯ç§°å®ï¼ç¼ç¼ç½ç¼è³å®å
¨çåæ¶ï¼éæ¸åé«æ¸©åº¦è³600 ï½700 âï¼ä½¿å®å
¨ç°å并æéï¼éçç°åä¸å¾è¿5.0ï¼
ã
温馨提示:答案为网友推荐,仅供参考