2002
DOI: 10.1023/a:1016817708070
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Cited by 8 publications
(4 citation statements)
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“…Large quantities of dead biomass are available as byproducts of pharmaceutical and enzyme manufacturing or the fermentation industry. In order to be introduced in FI analysis, MOs must be immobilized on solid supports [17][18][19][20][21], which improve their mechanical properties of strength, rigidity and porosity and reduce swelling compared to free suspended cells. On the other hand, biosorbents can be easily regenerated using the FI approach, and so they have found application in automated procedures.…”
Section: Introductionmentioning
confidence: 99%
“…Large quantities of dead biomass are available as byproducts of pharmaceutical and enzyme manufacturing or the fermentation industry. In order to be introduced in FI analysis, MOs must be immobilized on solid supports [17][18][19][20][21], which improve their mechanical properties of strength, rigidity and porosity and reduce swelling compared to free suspended cells. On the other hand, biosorbents can be easily regenerated using the FI approach, and so they have found application in automated procedures.…”
Section: Introductionmentioning
confidence: 99%
“…При анализе объектов, содержащих палладий, используют различные методы: гравиметрию [5]; спектрофотометрию и спектроскопию диффузного отражения [6][7][8]; атомно-эмиссионную и атомно-абсорбционную спектроскопию [9][10][11]; вольтамперометрию [12,13]; рентгенофлуоресцентный анализ [14]. С целью концентрирования анализируемых растворов с малым содержанием палладия применяют сорбенты, например, химически модифицированный силикагель и метилкремниевую кислоту [15][16][17][18][19], полимерные диски и волокнистые материалы [7,10,[20][21][22], целлюлозные диски и бумаги [23][24][25][26], полиметакрилатные матрицы [6], кремнийорганический сорбент ПСТМ-3Т [11]. В основе большинства сорбционно-спектроскопических и визуально-тестовых методик определения палладия лежат химические реакции образования окрашенных соединений Pd(II) с органическими реагентами, как уже хорошо известными в фотометрии, так и вновь синтезированными [27] (примеры приведены в табл.…”
Section: Introductionunclassified
“…Solvent extraction or sorptionspectrophotometric, [3][4][5][6] high performance liquid chromatographic-spectrophotometric, 7 spectrophotometric procedures using low melting point extractants, [8][9][10] simple spectrophotometric methods, [11][12][13][14][15][16] derivative spectrophotometric, 17,18 flow injection and stopped flow based techniques [19][20][21] and spectrophotometric methods using cosolvents or micelles have also been proposed. 18,22 Among the methods proposed, simplicity, 6,8,19,21 speed, 6,8 sensitivity 7,20 and selectivity 5,8,12,15,20,22 limitations have been observed. When the concentration of surfactant exceeds the critical micelle concentration (CMC), micelles are formed in solutions that appear to be homogeneous.…”
Section: Introductionmentioning
confidence: 99%