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Different lubricating oil treatments for the determination of Cu, Cr, Fe, Ni, Sb, Pb, and Zn by HR-CS FAAS
(Taylor & Francis Inc, 2008-01-01)
Microwave-assisted acid decomposition, direct dilution in kerosene, and oil-in-water emulsion were evaluated as lubricating oil pretreatment procedures for Cu, Cr, Fe, Ni, Pb, Sb, and Zn determination by High-Resolution ...
Exploring potentialities of the HR-CS FAAS technique in the determination of Ni and Pb in mineral waters
(2008-01-01)
National Health Surveillance Agency (ANVISA) established in the decree number 54 maximum allowed levels for Ni and Pb in mineral and natural waters at 20 μg L-1 and 10 μg L-1, respectively. For screening analysis purposes, ...
A simple and fast method for assessment of the nitrogen-phosphorus-potassium rating of fertilizers using high-resolution continuum source atomic and molecular absorption spectrometry
(Elsevier B.V., 2014-11-01)
The determination of N, P, and K in fertilizers by high-resolution continuum source flame atomic and molecular absorption spectrometry is proposed. Under optimized conditions, measurements of the diatomic molecules NO and ...
Exploring potentialities of the HR-CS FAAS technique in the determination of Ni and Pb in mineral waters
(Editora Unesp, 2008-01-01)
De acordo com a Resolução nº 54 da Agência Nacional de Vigilância Sanitária (ANVISA), os limites máximos permitidos para níquel e chumbo em água mineral natural e água natural são 20 µg L-1 e 10 µg L-1, respectivamente. O ...
A simple method based on HR-CS FAAS for multi-element determination of Cu, Fe, Mn and Zn in medicinal plants
(2011-12-01)
A simple method to determine Cu, Fe, Mn and Zn in single aliquots of medicinal plants by HR-CS FAAS is proposed. The main lines for Cu, Mn and Zn, and the alternate line measured at the wing of the main line for Fe at ...
Evaluation of lines of boron, phosphorus and sulfur by high-resolution continuum source flame atomic absorption spectrometry for plant analysis
(2013-07-01)
The wavelength-integrated absorbance (WIA) and summation of absorbance (∑ lines) of different lines were evaluated to enhance sensitivity and determine B, P and S in medicinal plants by HR-CS FAAS. The lowest LOD for B ...
Determination of copper at wide range concentrations using instrumental features of high-resolution continuum source flame atomic absorption spectrometry
(2010-12-01)
This work describes a method to determine Cu at wide range concentrations in a single run without need of further dilutions employing high-resolution continuum source flame atomic absorption spectrometry. Different atomic ...
Multi-element determination of calcium, potassium and magnesium in medicinal plant by high-resolution continuum source atomic absorption spectrometry
(2012-01-01)
A simple and rugged method to determine Ca, K and Mg in a single aliquot of medicinal plants by high-resolution continuum source flame atomic absorption spectrometry is proposed. Secondary lines for Ca (239.856 nm) and K ...
Determination of Ca, Cd, Cu, Fe, K, Mg, Mn, Mo, Na, Se, and Zn in Foodstuffs by Atomic Spectrometry After Sample Preparation Using a Low-Cost Closed-Vessel Conductively Heated Digestion System
(Springer, 2016-07-01)
Establishing fast, simple, low-cost, and efficient sample preparation procedures to determine elements in foodstuffs is a relevant aspect for nutritional and health purposes. For this reason, the recently proposed closed-vessel ...
Determination of cobalt, iron, and nickel in high-purity silicon by high-resolution continuum source graphite furnace atomic absorption spectrometry employing solid sample analysis
(2017-05-01)
This paper describes the development of analytical methods for the determination of cobalt, iron, and nickel in pure silicon for photovoltaic and electronics applications based on solid sampling (SS) coupled to a high-resolution ...