Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10561425 | Talanta | 2005 | 5 Pages |
Abstract
A novel sensitive chromogenic reagent, N,Nâ²-bis(3-methylsalicylidene)-ortho-phenylene diamine (MSOPD), has been synthesized and used in the spectrophotometric determination of nickel. At pH 8, MSOPD can react with nickel ion at room temperature to form a 1:1 complex. The apparent molar absorptivity is 9.5 Ã 104 l molâ1 cmâ1 at 430 nm. Beer's low is obeyed over the range 0-1.0 Ã 10â5 M of nickel with a detection limit of 1.36 Ã 10â8 M. The relative standard deviation for measurement of 3.41 Ã 10â6 M nickel is 1.3% (n = 10). The method has successfully been applied to determination of trace amounts of nickel in some natural food samples.
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Ali Reza Fakhari, Afshin Rajabi Khorrami, Hossein Naeimi,