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Selective kinetic spectrophotometric determination of nitrite in food and water

Authors: Ali A Ensafi, M Keyvanfard
Publication date: 1994/1/1
Journal name: Analytical letters
Volume: 27
Pages: 169-182
Publisher: Taylor & Francis Group
 
Abstract A highly selective and sensitive method for the kinetic spectrophothometric
determination of sub-microgram amounts of nitrite has been development based on its
reaction with Nile blue 2B in acidic medium. The reaction is monitored
spectrophotometrically at 595 nm at a fixed time of 4.5 min. The change in absorbance at
595 nm is related to the concentration of nitrite in the range 0.005-1.100 μg. ml− 1 The
detection limit is 0.001 μg. ml− 1. The relation standard deviation is 1% for 0.020 μg. ml− 1 ...

 

Journal Papers
Month/Season: 
January
Year: 
1994

تحت نظارت وف ایرانی

Selective kinetic spectrophotometric determination of nitrite in food and water | Prof. Ali A. Ensafi

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تحت نظارت وف ایرانی