[PDF] Top 20 Direct determination of calcium in milk by atomic absorption spectrometry using flow-injection analysis
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Direct determination of calcium in milk by atomic absorption spectrometry using flow-injection analysis
... solution. Calcium levels determined by the proposed method (dilution in water) in eleven commercial milk samples were compared with those obtained using microwave-oven ... See full document
6
On-line anodic electrodissolution system for direct determination of metallic alloys by atomic absorption spectrometry.
... FOR DIRECT DETERMINATION OF METALLIC ALLOYS BY ATOMIC ABSORPTION ...the direct determination of lead and tin by atomic absorption ... See full document
4
J. Braz. Chem. Soc. vol.16 número3B
... for determination by atomic absorption ...shown in Figure ...pumped using a Gilson Model Minipuls 3 (Villiers Le Bel, France) peristaltic pump and Tygon pumping ...A flow ... See full document
6
J. Braz. Chem. Soc. vol.16 número6A
... for direct solid analysis by flame atomic absorption spectrometry (DSA-FAAS) with prior solid phase extraction procedure is proposed for the determination of lead ... See full document
7
Direct determination of selenium in coconut water and coconut milk using graphite furnace atomic absorption spectrometry.
... DIRECT DETERMINATION OF SELENIUM IN COCONUT WATER AND COCONUT MILK US- ING GRAPHITE FURNACE ATOMIC ABSORPTION ...sources of selenium, but coconut can be a good ... See full document
3
Determination of vanadium in urine by electrothermal atomic absorption spectrometry using hot injection and preconcentration into the graphite tube
... Direct determination of vanadium by ETAAS using BaF 2 and Triton X-100 as matrix modifiers with precon- centration of the sample directly into the graphite tube is a suitable ... See full document
6
Evaluation of the mixtures ammonium phosphate/magnesium nitrate and palladium nitrate/magnesium nitrate as modifiers for simultaneous determination of Cd, Cr, Ni and Pb in mineral water by GFAAS
... °C in order to avoid Cd loses when small variations in the pyrolysis temperature ...influence of variation of atomization temperature, similar absorbance signals were obtained for measurements ... See full document
6
A Table of Polyatomic Interferences in ICP-MS
... class of inter- ferences in ICP-MS and are caused by atomic or molecular ions that have the same mass-to-charge as analytes of ...known atomic “isobaric” inter- ferences, or ... See full document
6
Eclet. Quím. vol.35 número1
... out using an Analytik Jena ContrAA 300 high-resolution continuum source lame atomic absorption spec- trometer equipped with a xenon short-arc lamp XBO 301 [10] with a nominal power of 300 W ... See full document
4
J. Braz. Chem. Soc. vol.15 número1
... distilled in quartz sub-boiling stills (Marconi, Piracicaba, SP, ...solutions of arsenic (As 2 O 3 ), cadmium (CdCl 2 ), lead [Pb(NO 3 ) 2 ] and selenium (SeO 2 ) from Tritisol (Merck, Darmstadt, Germany) ... See full document
8
Exploring potentialities of the HR-CS FAAS technique in the determination of Ni and Pb in mineral waters
... flame atomic absorption spectrometer (Shelton, CT, USA) equipped with hollow-cathode lamps as radi- ation sources for Ni (Part number N305-0152, i = 25 mA; slit = ...used in both spectrometers for ... See full document
8
Direct determination of calcium, sodium and potassium in fermented milk products
... concentrations in the body are ...pressure of the extracellular fluid. In addition, it activates some enzymes, such as ...intake of sodium is of im- portance because it can lead to ... See full document
7
Comparison of different sample preparation methods for platinum determination in cultured cells by graphite furnace atomic absorption spectrometry
... treatment of numerous solid malignancies, including tumors from ovary, testes, bladder, head and neck, cervix and lung (Lebwohl & Canetta, 1998; Rosenberg, ...outcome of platinum complexes is largely ... See full document
16
J. Braz. Chem. Soc. vol.18 número7
... concentration of the analyte after preconcentration to that before preconcentration which gives the same absorbance peak area was 88 for ...reported by other studies were usually obtained by ... See full document
5
Determinação simultânea de 'CD' e 'PB' e de 'CR' e 'NI' em plantas medicinais empregando a espectrometria de absorção atômica com amostragem direta de suspensões
... 3.2 FORTUNATO, F.M.; FRESCHI, G.P.G.; GOMES NETO, J.A., Simultaneous Determination of Cadmium and Lead in Medicinal Plants using Graphite Furnace Atomic Absorption Spectrometry and Dir[r] ... See full document
61
Flame Atomic Absorption Spectrometry
... most of the acid has been neutralized, as shown by a slowing down of the reaction, add a few drops of thymol blue indicator and continue the neutralization with the dropwise addition of ... See full document
164
J. Braz. Chem. Soc. vol.20 número9
... low injection-cold vapor generation (FI-CV) system used (Figure 1) consists of a peristaltic pump (Gilson, Minipuls 3, France), four three-way solenoid valves (Cole- Parmer, USA), a gas low-meter (Key ... See full document
8
J. Braz. Chem. Soc. vol.27 número1
... background, using the manufacturer’s recommended furnace program, studies were performed with a sample prepared, as shown above, in each tube treated as ...shape of absorption, background ... See full document
8
Eclet. Quím. vol.33 número2
... addition of a complexing reagent to the sample solution, followed by the retention of metal complexes on the disk [24, ...modified by chelat- ing agents for selective extraction and determina- ... See full document
6
J. Braz. Chem. Soc. vol.15 número2
... effect of other ions on the system studied. Samples containing 40 µg of cadmium and 40 to 200 µg of other metal ions were prepared and the determination of Cd(II) was carried out ... See full document
5
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