ÌâÄ¿ÄÚÈÝ

»¯Ñ§ÎÞ´¦²»ÔÚ£¬ÏÂÁÐÓ뻯ѧÓйصÄ˵·¨²»ÕýÈ·µÄÊÇ£¨  £©

A£®¡°ÉñÊ®¡±´îÔØµÄ³¤¶þF¸Ä½øÐÍ»ð¼ýÍÆ½ø¼ÁÊÇÆ«¶þ¼×ëÂ(C2H8N2)ºÍËÄÑõ»¯¶þµª£¬ÆäÖÐ
ËÄÑõ»¯¶þµª×÷Ñõ»¯¼Á
B£®·ÏÆúµÄ½ðÊô¡¢Ö½ÖÆÆ·¡¢ËÜÁÏ´ü¡¢²£Á§¶¼ÊǿɻØÊÕ×ÊÔ´
C£®2013Äê1ÔÂ2ÈÕ£¬Ó¡¶È½ð¿ó¸½½ü´åׯ³öÏÖÉéÖж¾²¡Àý£¬ÉéÖж¾Óë»·¾³ÎÛȾÓйØ
D£®´Ó2012Äê3ÔÂ15ÈÕÆð£¬¹ú¼Ò¹æ¶¨Ê³ÓõâÑÎÖе⺬Á¿Îª20¡«30 mg¡¤kg£­1£¬¼ÓµâÑÎÖÐ
µÄµâÒԵ⻯¼ØµÄÐÎʽ´æÔÚ

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Na2S2O3¡¤5H2OÔÚ»¯Ñ§¶¨Á¿·ÖÎöÖг£ÓÃ×÷»ù×¼ÎïÖÊ£¬ÊµÑéÊÒÖÆ±¸Ô­ÀíΪ£º2Na2S+Na2CO3+4SO23Na2S2O3+CO2¡£Éè¼ÆÈçÏÂ×°ÖÃ(¼Ð³ÖÒÇÆ÷Ê¡ÂÔ)½øÐÐʵÑé¡£

£¨1£©AÖз¢ÉúµÄ»¯Ñ§·´Ó¦·½³ÌʽΪ            ¡£
£¨2£©CÖÐËùÊ¢ÊÔ¼Á¿ÉÄÜÊÇ      £»ÈôҪֹͣAÖеĻ¯Ñ§·´Ó¦£¬³ýȡϾƾ«µÆÍ£Ö¹¼ÓÈÈÍ⣬»¹¿ÉÒÔ²ÉÈ¡µÄ²Ù×÷ÊÇ       ¡£
£¨3£©Ñ§ÉúÒÒÔÚ¼ÓÈÈAºó£¬·¢ÏÖÒºÃæÏµÄÍ­Ë¿±äºÚ¡£¶ÔºÚÉ«Éú³ÉÎï¸ÃѧÉúÌá³öÈçϼÙÉ裺
¢Ù¿ÉÄÜÊÇCuO ¢Ú¿ÉÄÜÊÇCu2O ¢Û¿ÉÄÜÊÇCuS
ѧÉú±ûÌá³ö¼ÙÉè¢ÚÒ»¶¨²»³ÉÁ¢£¬ÒÀ¾ÝÊÇ           £»¸ÃÉúÓÃÈçÏÂʵÑé½øÒ»²½ÑéÖ¤ºÚÉ«ÎïÖʵÄ×é³É£º

»ùÓÚÉÏÊö¼ÙÉè·ÖÎö£¬ºÚÉ«ÎïÖʵÄ×é³ÉΪ             (Ìѧʽ)¡£
£¨4£©ÊµÑéÊÒÓÃNa2S2O3±êÒº²âÁ¿·ÏË®Ba2£«µÄŨ¶È£¬¹ý³ÌÈçÏ£º
(ÒÑÖª£º2 S2O32Ò»+I2=S4O62¡ª+2 I£­)

¢Ùд³öBaCrO4³ÁµíÓë¹ýÁ¿HI¡¢HClÈÜÒº·´Ó¦µÄÀë×Ó·½³Ìʽ              £»
¢ÚÒÔµí·ÛΪָʾ¼Á£¬Ôòµ½´ïµÎ¶¨ÖÕµãµÄÏÖÏóÊÇ               £»
¢ÛÈô±êÒºNa2S2O3µÄŨ¶È0.0030mol¡¤L£­1£¬ÏûºÄ¸ÃNa2S2O3ÈÜÒºÌå»ýÈçͼ£¬Ôò·ÏË®Ba2£«µÄŨ¶ÈΪ   ¡£

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø