6Fe2+ + Cr2O7 2- +14H+ =6Fe3+ +2Cr3+ +7H2Oã
éé¬é ¸é¾ååéæ¯294.18ã
1ãçåæ§è´¨ï¼
å¯åº¦ï¼2.676 g/cm3ã
çç¹ï¼398ºCã
沸ç¹ï¼500ºCï¼å解ï¼ã
å¤è§ï¼æ©çº¢è²ç»æ¶æ§ç²æ«ã
溶解æ§ï¼æº¶äºæ°´ï¼ä¸æº¶äºä¹éã
2ãå¥åº·å±å®³ï¼
å¸å ¥åå¯å¼èµ·æ¥æ§å¼å¸éåºæ¿çç¶ãé¼»åºè¡ã声é³å¶åãé¼»ç²èè缩ï¼ææ¶åºç°å®ååç´«ç»ãéè å¯åçåå¦æ§èºçãå£æå¯åºæ¿åè èæ¶åéï¼å¼èµ·æ¶å¿ãååãè ¹çãè¡ä¾¿çï¼éè åºç°å¼å¸å°é¾ãç´«ç»ãä¼å ãèæ害åæ¥æ§è¾åè½è¡°ç«çã
3ãç¨éï¼
ç¨äºç产é¬æç¾ï¼ä»¥åæ°§åé¬ç»¿ãé¬é»çåæãæªç·å·¥ä¸ç¨å®ä¸é¿ç³ç²ãç³è±ç çæ··ååç ç§æçç ç²ï¼èµ·ç»¿è²çè²ä½ç¨ã
å¯ç¨ä½è°å¶ç«æ´è¯å¤´åè½»é©é£é©åãå¯ç¨ä½ä¸ºåªæåï¼ç¨äºåªæææçæè²åå°è±ãè¿å¯ç¨æ¥å¶åæé¦æãçµçæ¡ãå°å·æ²¹å¢¨ï¼ä»¥åä½æ°§åååç¨æ¥ä½¿éå±çº¯åçã
éé¬é ¸é¾çåºæ¥å¤çä¸é²æ¤æªæ½ï¼
1ãåºæ¥å¤çã
é离æ³æ¼æ±¡æåºï¼éå¶åºå ¥ã建议åºæ¥å¤ç人åæ´èªç»æ£åå¼å¼å¸å¨ï¼ç©¿é²æ¯æãå¿ä½¿æ³æ¼ç©ä¸ææºç©ãè¿ååãæçç©æéå±ç²æ«æ¥è§¦ã
å°éæ³æ¼ï¼ç¨æ´åçé²åæ¶éäºå¹²ç¥ãæ´åãæçç容å¨ä¸ãä¹å¯ä»¥ç¨å¤§éæ°´å²æ´ï¼æ´æ°´ç¨éåæ¾å ¥åºæ°´ç³»ç»å¤§éæ³æ¼ï¼æ¶éåæ¶æè¿è³åºç©å¤çåºæå¤ç½®ã
2ãé²æ¤æªæ½ã
å¼å¸ç³»ç»é²æ¤ï¼å¯è½æ¥è§¦å ¶ç²å°æ¶ï¼åºè¯¥ä½©æ´å¤´ç½©åçµå¨éé£è¿æ»¤å¼é²å°å¼å¸å¨ãå¿ è¦æ¶ï¼ä½©æ´èªç»å¼å¼å¸å¨ã
ç¼çé²æ¤ï¼å¼å¸ç³»ç»é²æ¤ä¸å·²ä½é²æ¤ã
身ä½é²æ¤ï¼ç©¿èä¹ç¯é²æ¯æã
æé²æ¤ï¼æ´æ©¡è¶æå¥ã
å ¶å®ï¼å·¥ä½æ¯ï¼æ·æµ´æ´è¡£ãä¿æè¯å¥½çå«çä¹ æ¯ã