Flow injection analysis
A low cost autosampler for flow injection analysis.
... A LOW COST AUTOSAMPLER FOR FLOW INJECTION ANALYSIS. This paper describes a homemade autosampler for flow injection analysis (FIA), constructed with two step motors from old ...
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Flow injection analysis with multiple pulse amperometric detection: potentialities and applications.
... - Flow Injection Analysis, tem sido explorada com sucesso na análise de grande diversidade de substâncias, proporcio- nando várias vantagens, tais como, uso de instrumentação versátil, baixo custo ...
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Turbidimetric determination of homatropine methylbromide in pharmaceutical formulations using a flow injection analysis system.
... A FLOW INJECTION ANALYSIS SYSTEM. A flow injection turbidimetric procedure exploiting merging zones is proposed for determining homatropine methylbromide (HMB) in pharmaceutical ...
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Development of a flow injection analysis system employng alternative and low-cost materials for didactic purposes.
... A FLOW INJECTION ANALYSIS SYSTEM EMPLOYNG ALTERNATIVE AND LOW-COST MATERIALS FOR DIDACTIC ...inexpensive flow injection analysis system in which gravity force provides fluid ...
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Direct determination of calcium in milk by atomic absorption spectrometry using flow-injection analysis
... chemical analysis of foods and agroindustrial materials with simplicity, low costs, generated residues and time, without loss of quality in results ...with flow-injection systems is a good option to ...
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A thermostatization system for flow injection analysis applications.
... A THERMOSTATIZATION SYSTEM FOR FLOW INJECTION ANALYSIS APPLICATIONS. A on-line thermostatization system that use simples materials, for flow injection and continuous flow ...
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Potentiometric determination of cetylpyridinium chloride in oral desinfectants by flow injection analysis.
... BY FLOW INJECTION ...a flow-injection system with potentiometric ...sample injection volume was kept at 400 µL and merged downstream with the reagent solution containing 1,0 x10 -5 ...
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An Improved method for meAsurIng soIl mIcrobIAl ActIvIty by gAs phAse flow InjectIon AnAlysIs
... phase flow injection analysis (gpfIA) method were investigated: gpfIA carrier gas flow rate; n purge of the co 2 sampling chamber; and the potential for other species (namely ammonia and ...
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Simultaneous determination of ascorbic acid and acetylsalicylic acid using flow injection analysis with multiple pulse amperometric detection.
... USING FLOW INJECTION ANALYSIS WITH MULTIPLE PULSE AMPEROMETRIC ...simple flow system with multiple pulse amperometric detection using a single working electrode is proposed for simultaneous ...
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Use of reagent in suspension in flow injection analysis: spectrophotometric determination of sulphate in natural water.
... USE OF REAGENT IN SUSPENSION IN FLOW INJECTION ANALYSIS. SPECTROPHOTOMETRIC DETERMINATION OF SULPHATE IN NATURAL WATER. This paper presents an automatic procedure employing a reagent in the form of a ...
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Employment of a single standard solution for analytical curves in flow injection analysis system coupled to solid phase spectrophotometry.
... IN FLOW INJECTION ANALYSIS SYSTEM COUPLED TO SOLID PHASE ...a flow injection system with solid phase spectrophotometric detection ...A flow cell contends the chromogenic reagent ...
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Enzimatic determination of dopamine in pharmaceutical formulations using a flow injection analysis system with avocado (Persea americana) crude extract.
... A FLOW INJECTION ANALYSIS SYSTEM WITH AVOCADO (Persea americana) CRUDE ...spectrophotometric flow injection analysis system using a crude extract of avocado (Persea americana) as ...
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FLOW INJECTION ANALYSIS SYSTEM COUPLED WITH ICP-EOS FOR DETERMINATION OF SOME METALLIC ELEMENTS IN DRINKING WATER
... MS[16], HPLC-ICP-MS [17,18]. In the paper there are presented the working conditions for determination of As and Se from drinking water using modern techniques based on the fl ow injection-hydride generation with ...
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Determination of nimesulide by flow injection analysis with multiple-pulse amperometric detection.
... A pos- sibilidade de aplicação de até 10 pulsos de potenciais em função do tempo e aquisição de até 10 amperogramas, independentes e simultâ- neos, possibilita a obtenção de vantagens e[r] ...
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Flow injection analysis - capillary electrophoresis hyphenated systems (FIA-CE): challenges, applications and perspectives.
... Na primeira etapa do procedimento, com a válvula na posição de injeção, a solu- ção transportadora, que também era o eletrólito, conduzia uma alíquota de amostra concentrada no ciclo ana[r] ...
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Potentiometric detectors for flow injection analysis systems, evolution and application.
... ve-se a utilização de unidades modulares contendo membranas permeáveis a gases, hidrofóbicas e microporosas, de dimetilsilicone ou teflon, nos quais o processo de difusão é comandado por uma diferença na pressão parcial ...
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Spectrophotometric determination of vitamin B2 (riboflavin) in pharmaceutical formulations using flow injection analysis.
... A freqüência analítica foi 42 h -1 e os sinais transientes em triplicata obtidos para as soluções de referência de riboflavina e aqueles em triplicata para as solu- ções de amostras são [r] ...
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Determination of paracetamol using a flow injection analysis with multicommutation and chemiluminescence detection.
... No presente trabalho, desenvolveu-se um sistema de análise em luxo empregando-se o conceito de multicomutação para a determi- nação de paracetamol em formulações farmacêuticas empregand[r] ...
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J. Braz. Chem. Soc. vol.11 número1
... The pH control of aqueous solutions is an important re- quirement in routine laboratories, industrial processes, alco- holic fermentation, and in medical and agricultural sciences. For this control, the glass electrode ...
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Didactic experiments employing a flow injection system.
... A FLOW INJECTION ...of flow injection analysis and to extend the applications of FIA to the determination of physical chemistry parameters in undergraduate ...same flow manifold ...
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