Desenvolvimento de metodologia analítica para pré-concentraçao de cromo usando microextraçao liquido-liquido e determinaçao por espectrometria de absorção atomica [PDF]
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Curso de Química.Neste trabalho desenvolveu-se uma metodologia para extração e préconcentração de cromo em amostras aquosas usando um sistema de ...
Mior, Renata
core
原子吸収分光光度法による鋳鉄中のマグネシウムの定量について鉄を除去した場合に必要な基礎的研究を行ない定量方法を確立した。マグネシウムを定量する場合,アルミニウムおよびケイ素は影響を与えるが,カルシウムの添加によってその影響は消失した。チタンは全く影響を示さなかった。クロムは3価として存在すれば影響しなかった。重クロム酸として存在するとマグネシウムの吸光度は増大するが,その割合はクロム量が増加しても一定であった。リンは空気-アセチレン炎では影響はあらわれなかったが,空気-プロパン炎の場合にはあらわれた。鋳鉄中のマグネシウムは試料溶液からメチルイソブチルケトン抽出で鉄を除去し,原子吸収分光光度法で定量する。この方法は操作が簡易迅速で結果も良好であった。
Masami Suzuki, Tsugio Takeuchi
openaire +2 more sources
Manganese nodules and crusts from the Pacific and the Indian oceans were analyzed at Scripps Institution of Oceanography using atomic absorption spectrophotometry (AAS).
Frazer, Jane Z +2 more
core +1 more source
The objective of this research was to determine by atomic absorption spectrophotometry (AAS), the concentration of heavy metals (lead, chromium, arsenic and mercury) in the soft tissue of the red crab (Ucides occidentalis).
Ayala-Armijos, Humberto +4 more
doaj
STUDY ON THE DYNAMICS OF FOOD CONTAMINATION IN INDUSTRIALIZED AREA [PDF]
The paper approaches the food contaminations with chemical substances in industrialized area (in an area intensely polluted with heavy metals). We firstly studied accumulation in several types of vegetable matter and secondly, the evolution in time of ...
TOMESCU ADA MIRELA +3 more
doaj
Evaluation of calcium ion release from apical plugs formed by Biodentine and MTA with and without incorporation of triple antibiotic powder and modified triple antibiotic powder (cefaclor) using atomic absorption spectrophotometry - An in vitro study. [PDF]
Gupta R +5 more
europepmc +1 more source
Spectrophotometry for cerebrospinal fluid pigment analysis [PDF]
The use of spectrophotometry for the analysis of the cerebrospinal fluid (CSF) is reviewed. The clinically relevant CSF pigments--oxyhemoglobin and bilirubin--are introduced and discussed with regard to clinical differential diagnosis and potentially ...
Sharpe, L.T., Petzold, A., Keir, G.
core
Determinação de mercúrio em águas sanitárias comercializadas em região do sudeste do Brasil
Para determinação de mercúrio presente como contaminante nas águas sanitárias usadas para desinfecção de água e alimentos, foi proposto um tratamento de amostra com ácido clorídrico para eliminação do cloro.
Odair Zenebon +3 more
doaj
Vaccines with low concentration of mercurial preservatives, such as thiomersal, are in use in Albania. A simple and a sensitive method by using CVAAS method for the determination of mercury in vaccine samples is described.
Pranvera Lazo, Merita Kucuku
doaj
Leadcare® II Comparison with Graphite Furnace Atomic Absorption Spectrophotometry for Blood Lead Measurement in Peruvian Highlands. [PDF]
Rosales-Rimache J +5 more
europepmc +1 more source

