您现在的位置是：论文诗词网 > 实用范文 > 其他范文 >
×ܵªÊµÑé²½Öè·¶ÎÄ
2020-06-08 09:15其他范文 人已围观
简介×ܵªÊµÑé²½Öè Ò»¡¢ÊÔ¼Á£º 1¡¢¼îÐÔ¹ýÁòËá¼Ø£º³ÆÈ¡40.0gK 2 S 2 O 8 ÈÜÓÚ600mLË®ÖУ¨¿É·ÅÓÚ 50¡æˮԡ¼ÓÈÈ ÖÁÍêÈ«Èܽ⣩£»ÁíÈ¡15.0gNaOHÈÜÓÚ300mLË®ÖУ¬ ÀäÈ...
×ܵªÊµÑé²½Öè
Ò»¡¢ÊÔ¼Á£º
1¡¢¼îÐÔ¹ýÁòËá¼Ø£º³ÆÈ¡40.0gK2S2O8ÈÜÓÚ600mLË®ÖУ¨¿É·ÅÓÚ50¡æˮԡ¼ÓÈÈÖÁÍêÈ«Èܽ⣩£»ÁíÈ¡15.0gNaOHÈÜÓÚ300mLË®ÖУ¬ÀäÈ´ÖÁÊÒΡ£»ìºÏÁ½ÈÜÒº¶¨ÈÝÖÁ1000mL£¬´æ·ÅÓÚ¾ÛÒÒÏ©Æ¿ÖС£
2¡¢ÏõËá¼Ø±ê×¼Öü´æÒº£º³ÆÈ¡0.7281gKNO3ÈÜÓÚË®ÖУ¬ÒÆÖÁ1000mLÈÝÁ¿Æ¿Öж¨ÈÝ»ìÔÈ£¬¼ÓÈë1~2mLÈýÂȼ×Íé×÷Ϊ±£»¤¼Á¡£´ËÈÜÒºµÄ¦Ñ£¨N£©=100mg/L¡£
3¡¢ÏõËá¼Ø±ê׼ʹÓÃÒº£ºÈ¡10.00mLÏõËá¼Ø±ê×¼Öü±¸ÒºÖÁ100mLÈÝÁ¿Æ¿ÖУ¬Ï¡ÊÍÖÁ±êÏß»ìÔÈ£¬ÁÙÓÃÏÖÅä¡£´ËÈÜÒºµÄ¦Ñ£¨N£©=10mg/L¡£
¶þ¡¢±ê×¼ÇúÏßÅäÖÃ
񅧏 | 01 | 02 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
±ê׼ʹÓÃÒºÌå»ý£¨mL£© | 0.00 | 0.00 | 0.20 | 0.50 | 1.00 | 2.00 | 3.00 | 5.00 | 7.00 |
¼ÓˮϡÊÍ | ÖÁ10.0mL±êÏß | ||||||||
¼ÓÈë¼îÐÔ¹ýÁòËá¼ØÌå»ý£¨mL£© | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
Èû½ôÆ¿Èû£¬ÓÃÉ´²¼ºÍÏßÉþÔú½ô£¬·ÅÈë¸ßѹÕôÆû¹øÖмÓÈÈÖÁ124¡æ×óÓÒ£¬±£³ÖζÈÔÚ120~124¡æÖ®¼ä50~55min£¬×ÔÈ»ÀäÈ´£¬È¡³ö±ÈÉ«¹Üºó½«¹ÜÄÚÒºÌåµßµ¹»ìÔÈ2~3´Î¡£ | |||||||||
¼ÓÈëHCl£¨1+9£©Ìå»ý£¨mL£© | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
¼ÓˮϡÊÍ | ÖÁ25.0mL±êÏß | ||||||||
ÔÚ220nmºÍ275nm´¦±ÈÉ«£¨Ê¯Ó¢±ÈÉ«Ãó£© | |||||||||
Èý¡¢ÑùÆ·²â¶¨
È¡10.0mLÊÔÑùÓÚ±ÈÉ«¹ÜÖУ¬°´±êÏß²½Öè²â¶¨¡£
Óöµ½Å¨¶È¸ßµÄÊÔÑù¿ÉÒÔ¸ù¾ÝÇé¿öÏ¡ÊÍ¡£
ËÄ¡¢ÏÖÓõıê×¼ÇúÏß
񅧏 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
±ê×¼¼ÓÈëÌå»ý£¨mL£© | 0.20 | 0.50 | 1.00 | 2.00 | 3.00 | 5.00 | 7.00 |
±ê×¼¼ÓÈëÁ¿ | 0.20 | 0.50 | 1.00 | 2.00 | 3.00 | 5.00 | 7.00 |
Îü¹â¶È220nm | 0.060 | 0.090 | 0.143 | 0.254 | 0.434 | 0.584 | 0.778 |
Îü¹â¶È275nm | 0.003 | 0.005 | 0.004 | 0.003 | 0.005 | 0.007 | 0.008 |
A220-2A275 | 0.054 | 0.080 | 0.135 | 0.248 | 0.334 | 0.570 | 0.762 |
¼õ¿Õ°×Îü¹â¶È£¨¦¤A£© | 0.029 | 0.055 | 0.110 | 0.223 | 0.309 | 0.545 | 0.737 |
»Ø¹éÏß·½³Ì¼°Ïà¹ØϵÊý | Y=0.105X+5.59¡Á10-3 r=0.999 | ||||||
Tags：
上一篇：“7.1”书记讲党课记录范文
下一篇：新能源电动客车总结范文
