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1¡¢Organic matters in sewage sludge are mainly composed of polar organic matters such as p, a, h, u, and o. There are few interfering substances which affect on the analysis of petroleum oil in the solution after being extracted through a non-polar solvent of CCl4 using infrared spectrophotometry.
(´óÒ⣺ÎÛÄàÖÐÓлúÎïÖÊÖ÷ÒªÊÇp a h u ºÍoµÈ¼«ÐÔÎïÖÊ¡£ÔÚʹÓúìÍâ¹â¶È·¨²â¶¨Ê±£¬±»¼«ÐÔµÄÝÍÈ¡¼ÁCCl4ÝÍÈ¡µÄÈÜÒºÖУ¬¼¸ºõ²»´æÔÚ¸ÉÈÅʯÓÍÀà²â¶¨µÄÓлúÎïÖÊ¡£)

2¡¢Mean determined values of 5 times were obtained by adding the same spiked value into the same original value. Footnotes have been used to explain the determination times of the mean determined values and calculation methods of the recovery. We also converted the concentration units to the content units for convenience of understanding.
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3¡¢The established infrared spectrophotometric method was employed for the determination of petroleum oils in sewage sludge samples with only one scan per sample. The concentration range of the extracted solution between 0.1 and 100 mg L-1 was determined with 5.0 cm quartz absorption cell, while 100-800 mg L-1 with 1.0 cm quartz absorption cell.
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4¡¢The power X is recommended by the manufacture. And it was verified by the U test.
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2Â¥2012-08-08 21:59:36
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sltmac: ½ð±Ò+1 2012-08-09 08:52:09
µÚÒ»¾ä£ºÏÂË®µÀÎÛÄàÖеÄÖ÷ÒªÓлúÎïÊÇÓɼ«ÐÔÓлúÎïÈçp a h u ºÍo×é³ÉµÄ¡£ÔÚʹÓúìÍâ¹â¶È·¨²â¶¨Ê±£¬Í¨¹ý·Ç¼«ÐÔÈܼÁCCl4ÝÍÈ¡ºóµÄÈÜÒºÖм¸ºõ²»´æÔÚ¸ÉÈÅÓ°ÏìʯÓÍÀà²â¶¨·ÖÎöµÄÎïÖÊ¡£
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3Â¥2012-08-08 23:02:49
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qhd511

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3Â¥: Originally posted by menghua-Ñþ at 2012-08-08 23:02:49
µÚÒ»¾ä£ºÏÂË®µÀÎÛÄàÖеÄÖ÷ÒªÓлúÎïÊÇÓɼ«ÐÔÓлúÎïÈçp a h u ºÍo×é³ÉµÄ¡£ÔÚʹÓúìÍâ¹â¶È·¨²â¶¨Ê±£¬Í¨¹ý·Ç¼«ÐÔÈܼÁCCl4ÝÍÈ¡ºóµÄÈÜÒºÖм¸ºõ²»´æÔÚ¸ÉÈÅÓ°ÏìʯÓÍÀà²â¶¨·ÖÎöµÄÎïÖÊ¡£

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4Â¥2012-08-09 07:30:39
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qhd511: ½ð±Ò+35, ¡ï¡ï¡ïºÜÓаïÖú, Ê®·Ö¸Ðл£¡ 2012-08-09 18:55:03
1¡¢Organic matters in sewage sludge are mainly polar organic matters such as p, a, h, u, and o. After extracted by a non-polar solvent CCl4, the solution contains few interfering substances which would affect the analysis of petroleum oil while measured with infrared spectrophotometry method.
(´óÒ⣺ÎÛÄàÖÐÓлúÎïÖÊÖ÷ÒªÊÇp a h u ºÍoµÈ¼«ÐÔÎïÖÊ¡£ÔÚʹÓúìÍâ¹â¶È·¨²â¶¨Ê±£¬±»fei¼«ÐÔµÄÝÍÈ¡¼ÁCCl4ÝÍÈ¡µÄÈÜÒºÖУ¬¼¸ºõ²»´æÔÚ¸ÉÈÅʯÓÍÀà²â¶¨µÄÓлúÎïÖÊ¡£)

2¡¢Mean measured values were obtained through 5 parallel determinations by adding the same spiked solution into the same original sample. Footnotes had been used to annotate the determination times of the mean measured values and calculation methods of the recovery. The concentration units  had also been converted to the present content units for convenience of understanding.
£¨´óÒ⣺ÔÚͬһÑùÆ·ÖмÓÈëͬһŨ¶ÈµÄ¼Ó±êÈÜÒº£¬Æ½Ðвⶨ5´ÎµÃµ½Æ½¾ù²â¶¨Öµ¡£²ÉÓýÅ×¢À´×¢ÊÍÆ½¾ù²â¶¨ÖµµÄ´ÎÊýºÍ¼Ó±ê»ØÊÕÂʵļÆËã·½·¨¡£´ËÍ⣬ΪÁ˱ãÓÚÀí½â£¬ÎÒÃǽ«Ô­¸åÖÐŨ¶Èµ¥Î»×ª»»ÎªÏÖÔڵĺ¬Á¿µ¥Î»¡££©

3¡¢While using the established infrared spectrophotometric method to determine the petroleum oils content in sewage sludge samples, only one time of scan is needed to get the final result for one sample. If the concentration range of the extracted solution is between 0.1 and 100 mg L-1, a 5.0 cm quartz absorption cell should be used; while the concentration is 100-800 mg L-1, a 1.0 cm quartz absorption cell should be used.
£¨´óÒ⣺±¾ÎĽ¨Á¢µÄÓÃÓڲⶨÎÛÄàÖÐʯÓÍÀàµÄºìÍâ¹â¶È·¨½öÐèÒ»´ÎɨÃè¼´¿ÉµÃ³ö½á¹û¡£ÝÍȡҺŨ¶È·¶Î§ÔÚ0.1-100mg/Lʱ£¬²ÉÓÃ5.0cmʯӢ±ÈÉ«Ãó£»Å¨¶È·¶Î§ÔÚ100-800mg/Lʱ²ÉÓÃ1.0cmʯӢ±ÈÉ«Ãó¡££©

4¡¢The power of the equipment recommended by the manufacturer should be X, that was verified by the U test.
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5Â¥2012-08-09 11:04:39
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qhd511: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-08-09 18:55:19
1. The polar organic matters in sewage sludge are mainly p, a, h, u, o and so on. The organic matters which can interfer the analysis of petroleum oil can not be detected by IR after being extracted in CCl4. (´óÒ⣺ÎÛÄàÖÐÓлúÎïÖÊÖ÷ÒªÊÇp a h u ºÍoµÈ¼«ÐÔÎïÖÊ¡£ÔÚʹÓúìÍâ¹â¶È·¨²â¶¨Ê±£¬±»fei¼«ÐÔµÄÝÍÈ¡¼ÁCCl4ÝÍÈ¡µÄÈÜÒºÖУ¬¼¸ºõ²»´æÔÚ¸ÉÈÅʯÓÍÀà²â¶¨µÄÓлúÎïÖÊ¡£)
6Â¥2012-08-09 11:56:15
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fuhanmei

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qhd511: ½ð±Ò+10, ·­ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú, ¸ÐлһÏ£¡ 2012-08-09 18:54:40
1. The main organic matters in sewage sludge are polar organic matters, such as p, a, h, u, o, etc. After polar organic matters are extracted by polar solvent of CCl4, sewage sludge hardly contains any organic matters which interfere with petroleum oil determination in infrared test.
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7Â¥2012-08-09 12:06:37
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fuhanmei

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qhd511: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2012-08-09 18:55:35
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8Â¥2012-08-09 12:10:23
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fuhanmei

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9Â¥2012-08-09 12:20:29
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