scholarly journals Chemometric Analysis of Grapes

2015 ◽  
Vol 13 (1) ◽  
Author(s):  
Sasa S. Ranđelovic ◽  
Danijela A. Kostic ◽  
Biljana B. Arsic ◽  
Snezana S. Mitic ◽  
Ivana D. Rasic ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Atomic Absorption ◽  
Soil Water ◽  
Atomic Absorption Spectrophotometry ◽  
Chemometric Analysis ◽  
Flame Atomic Absorption Spectrophotometry ◽  
The Road ◽  
Absorption Spectrophotometry ◽  
Flame Atomic Absorption

AbstractConcentrations of several heavy metals in soil, water and grape samples (variety Plovdina) collected at five locations at different distances from the road in Southeast Serbia were determined using the Flame Atomic Absorption Spectrophotometry. There was a decrease in analyzed samples with an increase in distance from the road. A complete absence of several examined, very harmful heavy metals (Mn, Ni, and Cd) in all analyzed samples was found. The analysis of grape samples proved the presence of iron, zinc and copper in concentration ranges 3.3-19.8, 0.31-0.63, and 3.4-13.6 μg g

Reliable determination of copper complex ions in synthetic wastewater using flame atomic absorption spectrophotometry

2019 ◽  
Vol 79 (5) ◽  
pp. 833-841 ◽  
Author(s):  
Kanokporn Supong ◽  
Parnuwat Usapein
Keyword(s):  
Atomic Absorption ◽  
Copper Complexes ◽  
Atomic Absorption Spectrophotometry ◽  
Synthetic Wastewater ◽  
Flame Atomic Absorption Spectrophotometry ◽  
Working Standard ◽  
Absorption Spectrophotometry ◽  
Flame Atomic Absorption ◽  
Relative Standard ◽  
Delay Times

Abstract Forms of copper that are highly soluble in aquatic environments are used as chemical reagents in a variety of industries, especially copper complexes. Wastewater containing copper complexes can be difficult to treat and analyse. Normally, flame atomic absorption spectrophotometry (FAAS) is a favourable technique for analysing metal ions in wastewater, but is less reliable for copper analysis owing to the influence of copper oxides. To solve this problem, it is necessary to adjust the atomization and delay times. The objective of this study was to use FAAS to accurately determine the quantity of complexed copper in synthetic wastewater, using increased atomization and delay times. The method showed excellent linearity in the copper standard concentration range of 1–5 mg L−1. The sensitivity of the analysis was 0.023 mg L−1. The percentage of recovery and the relative standard deviation were 85.02% and 0.75%, respectively. The experimental results demonstrated that the estimation of uncertainty from preparation of working standard, repeatability uncertainty, instrument deviation, calibration curve and recovery uncertainty were 8.2 × 10−4, 4.49 × 10−4, 7.21 × 10−4, 21.25 × 10−4, and 98.19 × 10−4, respectively. Overall, the results showed the suitability of the FAAS method for determining copper in synthetic wastewater.

Influence of Phosphorus and Calcium on Flame Atomic Absorption Spectrophotometric Determination of Lead in Canned Fish Products

1984 ◽  
Vol 67 (1) ◽  
pp. 186-187
Author(s):  
Teresa M Serra ◽  
J F Vale Serrano
Keyword(s):  
Atomic Absorption ◽  
Atomic Absorption Spectrophotometry ◽  
Flame Atomic Absorption Spectrophotometry ◽  
Experimental Conditions ◽  
Fish Products ◽  
Real Samples ◽  
Absorption Spectrophotometry ◽  
Flame Atomic Absorption ◽  
Canned Fish

Abstract Lead was determined in the presence of whole multiples of the P/Ca ratio found in Portuguese canned fish by flame atomic absorption spectrophotometry with and without using an ashing aid. Under our experimental conditions, use of the ashing aid eliminates P and Ca interference. Results with real samples, spiked with 1, 2,3, and 4 ppm lead, are presented and statistically treated.

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