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I. åºç€ã®çè§£ïŒã°ããŒãã«ãªèŠç¹
å ·äœçãªåé¡ã«å ¥ãåã«ãç³é¹žã¥ããã®åºæ¬ååãçè§£ããããšãéèŠã§ããç³é¹žã¯ã鹞åïŒãããïŒãšåŒã°ããååŠåå¿ã«ãã£ãŠäœãããŸãããã®åå¿ã§ã¯ãæ²¹èãã¢ã«ã«ãªïŒåºåœ¢ç³é¹žã®å Žåã¯èæ§ãœãŒãïŒæ°Žé žåãããªãŠã ïŒãæ¶²äœç³é¹žã®å Žåã¯èæ§ã«ãªïŒæ°Žé žåã«ãªãŠã ïŒïŒãšæ°Žã«åå¿ããŸããæ²¹èã®çš®é¡ã«ãã£ãŠæçµçãªç³é¹žã®ç¹æ§ãç°ãªããèæ§ãœãŒãã®æ¿åºŠã¯ãå®å šãªé¹žåãšå®å šã§èã«åªããç³é¹žãä¿èšŒããããã«æ£ç¢ºã§ãªããã°ãªããŸããã
éèŠäºé ïŒ èæ§ãœãŒãã¯è 飿§ããããé床ã®ç«å·ãåŒãèµ·ããå¯èœæ§ããããŸããèæ§ãœãŒããåãæ±ãéã¯ãå¿ ãé©åãªå®å šè£ åïŒæè¢ããŽãŒã°ã«ãé·è¢ïŒãççšããææ°ã®è¯ãå Žæã§äœæ¥ããŠãã ããã
æ°åãæ°Žè³ªããããŠåæã®å ¥æå¯èœæ§ã¯äžçäžã§ç°ãªããŸãã也ç¥ããæž©æãªæ°åã§å®ç§ã«æ©èœããã¬ã·ãããæ¹¿åºŠã®é«ãç±åž¯å°åã§ã¯èª¿æŽãå¿ èŠã«ãªãå ŽåããããŸããåæ§ã«ãäžè¬çã«äœ¿çšãããæ²¹èã®çš®é¡ãæåã«ãã£ãŠç°ãªããŸããäŸãã°ããªãªãŒããªã€ã«ã¯å°äžæµ·æ²¿å²žã®ç³é¹žã¥ããã®å®çªã§ãããã³ã³ããããªã€ã«ã¯æ±åã¢ãžã¢ã§åºã䜿ãããŠããŸãããããã®å°åå·®ãçè§£ããããšã¯ãå Žæãåããç³é¹žã¥ãããæåãããããã«äžå¯æ¬ ã§ãã
II. ç³é¹žã¥ããã®äžè¬çãªåé¡ãšè§£æ±ºç
A. ã³ãŒã«ãããã»ã¹ç³é¹žã®åé¡
1. ãœãŒãç°
åé¡ïŒã³ãŒã«ãããã»ã¹ç³é¹žã®è¡šé¢ã«çŸããçœãç²ç¶ã®èã
åå ïŒé¹žåããããªãã£ãæ°Žé žåãããªãŠã ïŒèæ§ãœãŒãïŒã空æ°äžã®äºé žåççŽ ãšåå¿ããŠãœãŒãç°ã圢æãããŸãã
解決çïŒ
- èžæ°ãŸãã¯ã¹ãã¬ãŒïŒååºãåŸãç³é¹žã®è¡šé¢ã«ã¹ããŒããŒã§åªããèžæ°ãåœãŠããã粟補氎ãã¹ãã¬ãŒããŸããç±ãšæ°ŽåããœãŒãç°ã®å鹞åãå©ããŸãã
- ç³é¹žãèŠãïŒç³é¹žãåã«æµã蟌ãã çŽåŸãã©ããã§èŠãã空æ°ã«è§Šããªãããã«ããŸããäžéšã®ãœãŒãã¡ãŒã«ãŒã¯ãããã«ä¿æž©ããããã«æ®µããŒã«ç®±ã䜿çšããŸãã
- é«ãã®æž©åºŠïŒããé«ãã®æž©åºŠã§é¹žåããããšããœãŒãç°ã®çºçãé²ããå ŽåããããŸãããã ãããªã€ã«ãéç±ããªãããã«æ³šæããŠãã ããã
- èæ§ãœãŒãæ¿åºŠïŒèæ§ãœãŒãã®æ¿åºŠãæ£ç¢ºã§ãã¬ã·ããæ£ããèšç®ãããŠããããšã確èªããŠãã ããã
- å¿èïŒãœãŒãç°ã¯ãçæéçšã§èªç¶ã«æ¶ããããšããããŸãã
ã°ããŒãã«ãªãã³ãïŒæ¹¿åºŠãé«ãå°åã§ã¯ããœãŒãç°ãçºçãããããªãããšããããŸããç³é¹žã¥ããã®äœæ¥ã¹ããŒã¹ã§é€æ¹¿æ©ã䜿çšããããšãæ€èšããŠãã ããã
2. ã°ãªã»ãªã³ãªããŒ
åé¡ïŒã³ãŒã«ãããã»ã¹ç³é¹žå šäœã«èŠããããåéæã®å·ã®ãããªçã
åå ïŒã°ãªã»ãªã³ãªããŒã¯ã鹞åäžã®å±æçãªéç±ã«ãã£ãŠåŒãèµ·ããããŸããç³é¹žã¥ããã®èªç¶ãªå¯ç£ç©ã§ããã°ãªã»ãªã³ãåé¢ãããããã®çãåŒãèµ·ããããšããããŸãã
解決çïŒ
- äœãã®æž©åºŠïŒéç±ãæå°éã«æãããããäœãã®æž©åºŠã§é¹žåãããŸãã
- ä¿æž©ãæžããïŒç³é¹žãåã«æµã蟌ãã åŸãé床ãªä¿æž©ãé¿ããŸãã
- 粟補氎ã®äœ¿çšïŒã°ãªã»ãªã³ãªããŒã®åœ¢æã«å¯äžããå¯èœæ§ã®ããããã©ã«åãæå°éã«æããããã粟補氎ã䜿çšããŸãã
- åãå ¥ããïŒäžéšã®ãœãŒãã¡ãŒã«ãŒã¯ãã°ãªã»ãªã³ãªããŒãæäœãç³é¹žã®èªç¶ã§çŸããç¹åŸŽãšèŠãªããŠããŸãã
äŸïŒãªãŒã¹ãã©ãªã¢ãã¢ããªã«ã®äžéšã®ãããªæããæ°åã®ãœãŒãã¡ãŒã«ãŒã¯ãåšå²ã®æž©åºŠãé«ããããã°ãªã»ãªã³ãªããŒãããé »ç¹ã«çµéšãããããããŸããã
3. ã·ãŒãºïŒæ¥æ¿ãªç¡¬åïŒ
åé¡ïŒç³é¹žçå°ãæ··ããŠããéã«æ¥æ¿ã«ç¡¬ããªããåã«æµã蟌ãã®ãå°é£ãŸãã¯äžå¯èœã«ãªãããšã
åå ïŒã·ãŒãºã¯éåžžã鹞åããã»ã¹ãå éãããç¹å®ã®ãã¬ã°ã©ã³ã¹ãªã€ã«ããšãã»ã³ã·ã£ã«ãªã€ã«ã«ãã£ãŠåŒãèµ·ããããŸãã
解決çïŒ
- å®çžŸã®ãããã¬ã°ã©ã³ã¹ã䜿çšããïŒã·ãŒãºãåŒãèµ·ããã«ãããšç¥ãããŠãããã¬ã°ã©ã³ã¹ãªã€ã«ã調æ»ããéžæããŸãã
- äœãã®æž©åºŠã§é¹žåãããïŒæž©åºŠãäœããããšåå¿ãé ããªããã·ãŒãºãé²ãããšãã§ããŸãã
- ãã¬ãŒã¹ãåºã段éã§ãã¬ã°ã©ã³ã¹ãå ããïŒç³é¹žçå°ã軜ãã®ãã¬ãŒã¹ã«éããåŸã«ã®ã¿ããã¬ã°ã©ã³ã¹ãªã€ã«ããšãã»ã³ã·ã£ã«ãªã€ã«ãå ããŸãã
- ãã¬ã°ã©ã³ã¹ãåžéããïŒç³é¹žçå°ã«å ããåã«ããã¬ã°ã©ã³ã¹ãªã€ã«ããã£ãªã¢ãªã€ã«ïŒäŸïŒã¹ã€ãŒãã¢ãŒã¢ã³ããªã€ã«ïŒã§åžéããŸãã
- ã¹ãã£ãã¯ãã¬ã³ããŒã¯çæéã§ïŒã¹ãã£ãã¯ãã¬ã³ããŒã§ã®éåºŠãªæªæã¯é¹žåããã»ã¹ãå éãããå¯èœæ§ããããããé¿ããŠãã ããã
- æ°ŽåéãæžããïŒãŠã©ãŒã¿ãŒãã£ã¹ã«ãŠã³ãïŒïŒã¬ã·ãã®æ°Žåéããããã«æžããããšã圹ç«ã€å ŽåããããŸãããã ããããã¯ä»ã®åé¡ãåŒãèµ·ããå¯èœæ§ããããããæ³šæããŠäœ¿çšããŠãã ããã
泚æïŒã¯ããŒããã·ãã¢ã³ãªã©ã®ç¹å®ã®ãšãã»ã³ã·ã£ã«ãªã€ã«ã¯ãã·ãŒãºãåŒãèµ·ããããšã§æåã§ãã
4. åœãã¬ãŒã¹
åé¡ïŒç³é¹žçå°ããã¬ãŒã¹ïŒããªã³ã®ãããªç²åºŠïŒã«éããããã«èŠãããããã°ãã眮ããšåé¢ããããããããªã£ããããããšã
åå ïŒåœãã¬ãŒã¹ã¯ãç³é¹žçå°ã®äžã«æº¶ããããŠããªãåºåœ¢æ²¹èãããããšã«ãã£ãŠåŒãèµ·ããããããšããããŸãã
解決çïŒ
- å®å šã«æº¶ããïŒèæ§ãœãŒã溶液ãå ããåã«ããã¹ãŠã®åºåœ¢æ²¹èãå®å šã«æº¶ããŠããããšã確èªããŠãã ããã
- ååã«æ··ããïŒãã¹ãŠã®ææãé©åã«æ··ããåãããã«ãç³é¹žçå°ãååã«ãã¬ã³ãããŠãã ããã
- 枩床ã確èªããïŒãªã€ã«ãšèæ§ãœãŒãæº¶æ¶²ã®æž©åºŠãæšå¥šç¯å²å ã«ããããšã確èªããŠãã ããã
5. èæ§ãœãŒãéå€ã®ç³é¹ž
åé¡ïŒèæ§ãœãŒããéå°ãªãããåºæ¿ã匷ããpHãé«ãç³é¹žã
åå ïŒèæ§ãœãŒãã®èšç®ãèšéãäžæ£ç¢ºããŸãã¯é¹žåæéãäžååã
解決çïŒ
- æ£ç¢ºãªèšéïŒä¿¡é Œã§ããã¹ã±ãŒã«ã䜿çšããŠãèæ§ãœãŒãã®èšç®ãšèšéãå確èªããŠãã ããã
- pHãã¹ãïŒçæåŸãpH詊éšçŽãŸãã¯pHã¡ãŒã¿ãŒã䜿çšããŠç³é¹žã®pHããã¹ãããŸããpHã8ã10ã®ç¯å²ãäžè¬çã«å®å šãšãããŠããŸãã
- ãªãããïŒç³é¹žããããã«èæ§ãœãŒãéå€ã®å Žåã¯ãç³é¹žã现ããå»ã¿ãæ°Žãçä¹³ãå ããŠæº¶ãããŸã§å ç±ããããšã§ãªãããã§ããŸããããã«ããããããªã鹞åãä¿é²ãããéå°ãªèæ§ãœãŒããäžåããã®ã«åœ¹ç«ã¡ãŸãããã ããããã«ããç³é¹žã®èŠãç®ã質æãå€ããå¯èœæ§ããããŸãã
- 廿£ïŒç³é¹žãèããèæ§ãœãŒãéå€ã®å Žåã¯ãå®å šäžã®çç±ãã廿£ããã®ãæåã§ãã
èŠåïŒèæ§ãœãŒãéå€ã®ç³é¹žãæ±ãéã¯ãåžžã«æ éãæããŠãã ãããç®èãžã®åºæ¿ãç«å·ã®ãªã¹ã¯ãåããããããããã廿£ããæ¹ãè³¢æã§ãã
6. æ²¹åé¢
åé¡ïŒç³é¹žã®è¡šé¢ãŸãã¯å éšã«æ²¹ã ãŸããã§ããããšã
åå ïŒäžå®å šãªé¹žåãäžååãªæªæããŸãã¯ã¬ã·ãã®ãã©ã³ã¹ã®äžåè¡¡ã
解決çïŒ
- ååãªæªæïŒç³é¹žçå°ãååã«æ··ããŠã軜ãããäžçšåºŠã®ãã¬ãŒã¹ã«éããããã«ããŸãã
- æ£ç¢ºãªèšéïŒãªã€ã«ãšèæ§ãœãŒãã®èšéãå確èªããŠãã ããã
- ã¬ã·ãã®èª¿æŽïŒã¬ã·ãã®ãªã€ã«ãã©ã³ã¹ãèŠçŽããã¹ãŒããŒãã¡ããïŒç³é¹žäžã®æªé¹žåæ²¹ã®éïŒã®å²åã調æŽããããšãæ€èšããŠãã ããã
- ãªãããïŒèæ§ãœãŒãéå€ã®ç³é¹žãšåæ§ã«ãç³é¹žããªãããããŠãããªã鹞åãä¿ãããšãã§ããŸãã
7. å€è²
åé¡ïŒç³é¹žã«è¶è²ããªã£ããè²ãããããããªã©ãäºæããªãè²ã®å€åãèµ·ããããšã
åå ïŒå€è²ã¯ããã¬ã°ã©ã³ã¹ãªã€ã«ããšãã»ã³ã·ã£ã«ãªã€ã«ãæ·»å ç©ïŒäŸïŒããã©ïŒãå ãžã®é²åºãé žåãªã©ãããã€ãã®èŠå ã«ãã£ãŠåŒãèµ·ããããå¯èœæ§ããããŸãã
解決çïŒ
- è²å®å®å€ã䜿çšããïŒç³é¹žã¥ããçšã«ç¹å¥ã«èšèšãããè²å®å®å€ã®äœ¿çšãæ€èšããŠãã ããã
- å€è²ãã«ãããã¬ã°ã©ã³ã¹ãéžã¶ïŒå€è²ãåŒãèµ·ããã«ããããšã§ç¥ããããã¬ã°ã©ã³ã¹ãªã€ã«ãéžã³ãŸããããã©ãå«ããã¬ã°ã©ã³ã¹ã¯ç¹ã«è¶è²ããªããããã§ãã
- å ããä¿è·ããïŒå ã«ããå€è²ãé²ããããç³é¹žãæãæ¶Œããå Žæã«ä¿ç®¡ããŠãã ããã
- é žå鲿¢å€ïŒããŒãºããªãŒãªã¬ãªã¬ãžã³æœåºç©ïŒROEïŒãªã©ã®é žå鲿¢å€ãå ãããšãé žåãå€è²ãé²ãã®ã«åœ¹ç«ã¡ãŸãã
- å®éšããïŒã©ã®ãã¬ã°ã©ã³ã¹ãæ·»å ç©ãå€è²ãåŒãèµ·ãããã倿ããããã«ãå°ããªãããã§ãã¹ãããŠãã ããã
8. ãªã¬ã³ãžã¹ãããïŒDOSïŒ
åé¡ïŒç³é¹žããã°ããçæããåŸã«çŸãããå°ããªãªã¬ã³ãžè²ãŸãã¯è¶è²ã®æç¹ã
åå ïŒDOSã¯ãç³é¹žäžã®äžé£œåèèªã®é žåã«ãã£ãŠåŒãèµ·ããããŸããããã¯ãã°ãã°ãæ²¹ã®é žåã空æ°ããã³å ãžã®é²åºãåå ã§ãã
解決çïŒ
- æ°é®®ãªãªã€ã«ã䜿çšããïŒãªã€ã«ãæ°é®®ã§é žåããŠããªãããšã確èªããŠãã ããã䜿çšåã«æå¹æéã確èªãããªã€ã«ã®åããå ããŸãã
- é žå鲿¢å€ïŒããŒãºããªãŒãªã¬ãªã¬ãžã³æœåºç©ïŒROEïŒããã¿ãã³Eãªã©ã®é žå鲿¢å€ãå ããŠãé žåãé²ããŸãã
- é©åãªä¿ç®¡ïŒç©ºæ°ãå ãžã®é²åºãæå°éã«æãããããç³é¹žãæ¶Œãããæãã也ç¥ããå Žæã«ä¿ç®¡ããŠãã ããã
- äžé£œåèèªé žã®å€ããªã€ã«ãé¿ããïŒã²ãŸããæ²¹ãç±³ã¬ãæ²¹ãªã©ãäžé£œåèèªé žã®å«æéãé«ããªã€ã«ã¯é žåããããããã䜿çšãå¶éããŠãã ããã
B. ãããããã»ã¹ç³é¹žã®åé¡
ãããããã»ã¹ç³é¹žã¥ããã¯ã宿ãŸã§ã®æéãçããšããå©ç¹ããããŸãããã³ãŒã«ãããã»ã¹ãšå ±éã®èª²é¡ãããã€ãæ±ããŠããããŸãç¬èªã®ããã€ãã®åé¡ãæç€ºããŸãã
1. ããã質æ
åé¡ïŒç³é¹žã也ç¥ããŠãããã質æã«ãªãããšã
åå ïŒèª¿çæéãäžååãèæ§ãœãŒããå€ãããããŸãã¯æ°Žåãè¶³ããªãã
解決çïŒ
- 調çæéãå»¶ã°ãïŒå®å šãªé¹žåã確å®ã«ãããããç³é¹žãããé·ã調çããŸãã
- æ°Žåãå ããïŒèª¿çããã»ã¹äžã«å°éã®æ°Žãçä¹³ãå ããŠãç³é¹žã«æ°Žåãè£çµŠããŸãã
- èæ§ãœãŒãã®èšç®ã確èªããïŒæ£ããéã䜿çšããŠããããšã確èªãããããèæ§ãœãŒãã®èšç®ãå確èªããŠãã ããã
2. äžåäžãªè³ªæ
åé¡ïŒç³é¹žããŽããŽãããããäžåäžãªè³ªæã«ãªãããšã
åå ïŒäžåäžãªèª¿çãäžåäžãªç±ååžããŸãã¯èæ§ãœãŒã溶液ãããŸãã«ãæ©ãå ããããšã
解決çïŒ
- é »ç¹ã«ããæ··ããïŒèª¿çããã»ã¹äžã«ç³é¹žãé »ç¹ã«ããæ··ããŠãåäžãªç±ååžã確ä¿ããŸãã
- ã¹ããŒã¯ãã«ãŒã䜿çšããïŒã¹ããŒã¯ãã«ãŒïŒã¯ããã¯ãããïŒã¯ãã³ã³ããããäžè²«ããç±ãæäŸããŸãã
- èæ§ãœãŒããåŸã ã«å ããïŒèæ§ãœãŒã溶液ããã£ãããšåŸã ã«å ããé©åã«æ··ããããã«çµ¶ããããæ··ããŸãã
3. åå ¥ãã®é£ãã
åé¡ïŒç³é¹žã硬ãããŠãåã«æŒã蟌ãã®ãé£ããããšã
åå ïŒéå°ãªèª¿çãŸãã¯æ°Žåäžè¶³ã
解決çïŒ
- æ°Žåãå ããïŒåå ¥ãããåã«ç³é¹žãæããããããããå°éã®æ°Žãçä¹³ãå ããŸãã
- çŽ æ©ãåå ¥ãããïŒç³é¹žããŸã æž©ãããæè»ãªãã¡ã«çŽ æ©ãåå ¥ãäœæ¥ãããŸãã
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C. ã°ãªã»ãªã³ãœãŒãïŒMelt and PourïŒã®åé¡
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1. æ±ããïŒçºæ±ïŒ
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åå ïŒã°ãªã»ãªã³ãœãŒãã®çŽ å°ã«ã¯ã°ãªã»ãªã³ãå«ãŸããŠãããããã空æ°äžã®æ¹¿æ°ãåŒãå¯ããŸããæ±ããã¯æ¹¿åºŠã®é«ãç°å¢ã§ããäžè¬çã§ãã
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2. æ°æ³¡
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åå ïŒéç±ãŸãã¯éå°ãªæªæã
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III. äžçäžã®ãœãŒãã¡ãŒã«ãŒã®ããã®ãªãœãŒã¹
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IV. çµè«ïŒç³é¹žã¥ããã®èžè¡ãåãå ¥ãã
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