£¨2005?º£ÃÅÊУ©Ä³Ñ§Ð£¿ÎÍâ»î¶¯Ð¡×飬¶Ô±¾µØ»¯¹¤³§ÅÅ·Å·ÏË®ÖеÄÑÎËẬÁ¿½øÐÐÁ˲ⶨ£®È¡·ÏË®50g£¬ÓÃ2%µÄÇâÑõ»¯ÄÆÈÜÒº½øÐÐÖкͣ¬µ±ÈÜÒºpH=7ʱ£¬ÓÃÈ¥ÇâÑõ»¯ÄÆÈÜÒº20g£®¼ÆËã·ÏË®ÖÐÑÎËáµÄÈÜÖÊÖÊÁ¿·ÖÊý£®
²â¶¨Ê±£¬ÓÐͬѧ·¢ÏÖÔÚ·´Ó¦¹ý³ÌÖУ¬ÈÜÒºÓÐζȵı仯£¬ÓÚÊÇËûÃǽøÒ»²½½øÐÐÁË̽¾¿£®
£¨1£©ÅäÖÆ100mL10%µÄÑÎËᣨÃܶÈΪ1.05g/cm
3£©£®ËûÃÇÓ¦Á¿È¡38%µÄÑÎËᣨÃܶÈΪ1.19g/cm
3£©¶àÉÙºÁÉý£¿
£¨2£©ÔÚÒ»¶¨Ìå»ýµÄ10%µÄÇâÑõ»¯ÄÆÈÜÒºÖУ¬ÂýÂýµÎÈëÉÏÊöÅäÖƵÄ10%µÄÑÎËᣮÓйØʵÑéÖеÄÊý¾Ý¼Ç¼ÈçÏ£º
¼ÓÈëÑÎËáµÄÌå»ý£¨V£©/mL |
2 |
4 |
6 |
8 |
10 |
ÈÜҺζȱ仯£¨¡÷t£©/¡æ |
5.2 |
9.6 |
13.0 |
16.0 |
18.2 |
ÊÔÔÚÈçͼ×ø±êϵÖлæ³öÈÜҺζȱ仯Óë¼ÓÈëÑÎËáÌå»ýÖ®¼äµÄ±ä»¯¹Øϵͼ£®
£¨3£©¸ù¾Ý£¨2£©ÖйØϵͼ£¬ÇëÄã´ÓÄÜÁ¿±ä»¯µÄ½Ç¶È̸̸¶ÔÖкͷ´Ó¦µÄÈÏʶ£®