±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 412  |  »Ø¸´: 2

èСÓã·É·É

Òø³æ (ÕýʽдÊÖ)

[ÇóÖú] FT-IR Ó¢ÎÄÎÊÌâ Çó´óÉñ½â´ð ¼±¼±¼±¼±¼±¼±¼±

Imagine the following hypothetical scenario you are facing as a scientist:
There is a chance that a mining waste containing arsenic (in the form of arsenate) leaked out and is contaminating the soil around the mining site. This soil is rich in iron (predominantly in the form of the mineral goethite).

Using any vibrational spectroscopic (FT-IR spectroscopy, FT-IR microspectroscopy,
Raman  spectroscopy,  Raman  microspectroscopy)  technique,  combined  with  pH
measurements, you should investigate whether the soil absorbs the arsenate on its
surface or not (or extrapolating the other way around: whether arsenate can reach the
ground water and get into the water supplies, or not as it is bound to the mineral).

Describe how you would attempt to solve this problem: What experiments would you use? What vibrational spectroscopic technique (or techniques) would you use and what kind of results would you expect from them? What are the limitations? What other  experimental  techniques  would  you  use  to  complement  your  vibrational spectroscopic study and why?
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

Better One

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mujing-123

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

²»·èħ²»³É»î

ÄãÏëÎʵÄÊÇʲô°¡£¿ÊÇÕâ¶ÎÓ¢Îĵķ­Ò룿»¹ÊÇÓÃʲô·½·¨²â¶¨ÉéµÄ´æÔÚÓë·ñ¼°Æäº¬Á¿£¿
2Â¥2012-11-03 10:56:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

èСÓã·É·É

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by mujing-123 at 2012-11-03 10:56:52
ÄãÏëÎʵÄÊÇʲô°¡£¿ÊÇÕâ¶ÎÓ¢Îĵķ­Ò룿»¹ÊÇÓÃʲô·½·¨²â¶¨ÉéµÄ´æÔÚÓë·ñ¼°Æäº¬Á¿£¿

Ŷ ÕâÊÇ¿¼ÊÔÌâ ÎÒ¾ÍÏëÎÊÎÊ Ôõô ¸ö´ð·¨ °¥ ¿Éϧ¿¼ÍêÁË£¡£¡£¡
3Â¥2012-11-03 18:52:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ èСÓã·É·É µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] »·¾³¹¤³Ì297·ÖÇóµ÷¼ÁÒ»Ö¾Ô¸º¼¸ßÔº +8 GENJIOW 2026-03-31 8/400 2026-03-31 22:22 by piaoyi415
[¿¼ÑÐ] ²ÄÁϵ÷¼Á 5+6 ÏëÒªÒ»ºøÌÒ»¨Ë® 2026-03-25 13/650 2026-03-31 21:55 by cqhuanglong
[¿¼ÑÐ] 070300»¯Ñ§279Çóµ÷¼Á +9 ¹þ¹þ¹þ^_^ 2026-03-31 11/550 2026-03-31 20:32 by sophie2180
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©298µ÷¼ÁÇóÖú +3 ÔªÔªÇàÇà 2026-03-31 5/250 2026-03-31 19:58 by vgtyfty
[¿¼ÑÐ] 290·Öµ÷¼ÁÇóÖú +10 ¼ªÏéÖ¹Ö¹³Â 2026-03-25 10/500 2026-03-31 17:54 by 544594351
[¿¼ÑÐ] ½­ËÕËÕ±±¸ßУ³ÏÑûµ÷¼Áͬѧ +3 zzll406 2026-03-31 3/150 2026-03-31 16:54 by ¼°Ê±ÐÐÀÖfan
[¿¼ÑÐ] 322Çóµ÷¼Á£ºÒ»Ö¾Ô¸ºþÄÏ´óѧ ²ÄÁÏÓ뻯¹¤£¨085600£©£¬ÒѹýÁù¼¶¡£ +10 XXСµË 2026-03-29 10/500 2026-03-31 16:46 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ìµ÷¼Á +13 ÉîVËÞÉá°É 2026-03-30 14/700 2026-03-31 16:28 by hypershenger
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ²ÄÁÏÓ뻯¹¤·½Ïò336·Ö +13 ³½ãå5211314 2026-03-26 13/650 2026-03-31 14:37 by ¼Çʱ¾2026
[¿¼ÑÐ] 354Çóµ÷¼Á +3 lxb598 2026-03-31 4/200 2026-03-31 13:42 by sophie2180
[¿¼ÑÐ] ÄϾ©´óѧ»¯Ñ§µ÷¼Á +11 ¾°Ëæ·ç 2026-03-29 16/800 2026-03-31 10:14 by herarysara
[¿¼ÑÐ] Çóµ÷¼Á +4 ÑÐs. 2026-03-25 4/200 2026-03-31 10:05 by fmesaito
[¿¼ÑÐ] 303Çóµ÷¼Á +7 DLkz1314. 2026-03-30 7/350 2026-03-30 16:05 by shuang5186
[¿¼ÑÐ] 298Çóµ÷¼Á +3 ʲôÊÇÅÖÍ·Óã 2026-03-30 5/250 2026-03-30 14:41 by ÇຣСÎ÷Å£
[¿¼ÑÐ] ÉúÎï¼¼ÊõÓ빤³Ì +7 1294608413 2026-03-25 8/400 2026-03-30 11:36 by ÌÆãå¶ù
[¿¼ÑÐ] 086000ÉúÎïÓëÒ½Ò©µ÷¼Á +5 Feisty¡£ 2026-03-28 9/450 2026-03-29 12:02 by longlotian
[¿¼ÑÐ] 394Çóµ÷¼Á +3 ºÃʶàÄ¥¾²ºò¼ÑÒ 2026-03-26 5/250 2026-03-28 14:24 by ÌÆãå¶ù
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á£¬¸÷λÀÏʦ¿´¿´ÎÒ£¡£¡£¡ +5 Æîì÷ì÷ 2026-03-25 5/250 2026-03-27 21:44 by ¶«·½ÖíÖí
[¿¼ÑÐ] 285Çóµ÷¼Á +4 AZMK 2026-03-27 7/350 2026-03-27 20:59 by AZMK
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉϺ£Àí¹¤ÄÜÔ´¶¯Á¦£¨085800£©310·ÖÇóµ÷¼Á +3 zhangmingc 2026-03-27 4/200 2026-03-27 19:01 by ¸øÄãÄã×¢ÒâÐÝÏ¢
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û