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• Catalytic Spectrophotometry for Vanadium Determination Based on Oxidation of Arsenazo ¢ó by Bichromate

  À´Ô´£º ¡¶Rare Metals1999ÄêµÚ2ÆÚ¡·¡ª¡ªºÎÈÙ»¸ Íõ½¨»ª

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• µÍ·Ö×ÓÌþÀà¶ÔÍÂÎÂ80-ÑÎ-ˮҺ-¹ÌÎöÏà·ÖÀëµÄÓ°Ïì

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  µÍ·Ö×ÓÌþÀà¶ÔÍÂÎÂ80-ÑÎ-ˮҺ-¹ÌÎöÏà·ÖÀëµÄÓ°Ïì½ð¹È,ãÛ¼ÒÒåÖйú¿Æ¼¼´óѧ»¯Ñ§Ïµ!ºÏ·Ê230026Õª Òª:±¨µ¼ÁË»·¼ºÍé,¸ýÍéµÈµÄ¼ÓÈܶԷÇÀë×Ó±íÃæ»îÐÔ¼Á (ÍÂΠ- 80 )Òº -¹ÌÎöÏà·ÖÀëµÄÓ°Ïì ,ʹС·Ö×ÓÏÔÉ«¼Á¶Ô¼×õ£»ùżµª±äÉ«Ëá ( CAp F),żµªëÏ ( Arsenazo )ºÍÅäºÏÎïÔÚµÍÎÂϾÍÒ×´ÓÑÎË®ÈÜÒºÏ฻¼¯µ½±íÃæ»îÐÔ¼Á¹ÌÏà ,ÝÍÈ¡ÂÊ´ï95%.²¢¶Ô»·¼ºÍé,¸ýÍéµÄ¼ÓÈÜ»úÀí¼°Î¶ȵÄ×÷ÓÃ×öÁË̽ÌÖ.¹Ø¼ü´Ê:»·¼ºÍé;¸ýÍé;ÍÂÎÂ-80;Òº-¹ÌÏàÏà·ÖÀë;......

• Dual-wavelength dual-indicator catalytic kinetic spectrophotometry for determination of trace Ru£¨¢ó£©

  À´Ô´£º ¡¶Rare Metals2013ÄêµÚ6ÆÚ¡·¡ª¡ªHai-Yan Chen Yu-Jing Chen Ming Zhang

  of Arsenazo I and indigo carmine by potassium bromate in sulfuric acid.The absorbances of the catalytic and noncatalytic systems were measured at 510 and610 nm,respectively.Under the optimum conditions......

• Catalytic spectrophotometric determination of trace vanadium in fly ash and coal gangue by Triton X-100 enhancing effect

  À´Ô´£º ¡¶Rare Metals2004ÄêµÚ1ÆÚ¡·¡ª¡ªXIA Changbin and HUANG NiandongInstitute of Environmental Engineering & Chemical Hi-tech, Hunan University of Science and Technology, Xiangtan , China

  of arsenazo ¢ó(AsA ¢ó) by oxidizing with H2O2 in a pH 4.0 HAc-NaAc buffer solution, and the addition of Triton X-100 can further increase the sensitivity of the reaction and its catalytic extent is linear......

• Solvent extraction of neodymium(¢ó) from acidic nitrate medium using Cyanex 921 in kerosene

  À´Ô´£º ¡¶Journal of Rare Earths2012ÄêµÚ8ÆÚ¡·¡ª¡ªNandita Panda Niharbala Devi Sujata Mishra

  as extractant in kerosene. The metal concentration in the aqueous phase before and after extraction was determined spectrophotometrically by Arsenazo ¢ó method. The complete equilibration was achieved in 15 min......

• Solvent extraction of neodymium(¢ó) from acidic nitrate medium using Cyanex 921 in kerosene

  À´Ô´£º ¡¶JOURNAL OF RARE EARTHS2012ÄêµÚ8ÆÚ¡·¡ª¡ªNandita Panda Niharbala Devi Sujata Mishra

  as extractant in kerosene. The metal concentration in the aqueous phase before and after extraction was determined spectrophotometrically by Arsenazo ¢ó method. The complete equilibration was achieved in 15 min......