全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
中外文文献  中文文献  外文文献
作者:Grażyna Wejnerowska
来源:[J].Chromatographia(IF 1.437), 2017, Vol.80 (7), pp.1115-1120Springer
摘要:A single-drop microextraction (SDME) was developed for the analysis of volatile fatty acids (VFAs) (C2–C7) in water by gas chromatography (GC) with flame ionization detection. The significant parameters affecting the SDME performance such as selection o...
作者:Katarzyna Przygoda , Grażyna Wejnerowska
来源:[J].Industrial Crops & Products(IF 2.468), 2015, Vol.63, pp.41-47Elsevier
摘要:Abstract(#br)The efficiency of supercritical fluid extraction (SFE) in the production of oil with a high concentration of tocopherols (vitamin E), from seeds of Quinoa ( Chenopodium Quinoa Willd.), was investigated. The effect of the process parameters such as pressure, temp...
作者:Grażyna Wejnerowska , Przemysław Heinrich , Jerzy Gaca
来源:[J].Separation and Purification Technology(IF 2.894), 2013, Vol.110, pp.39-43Elsevier
摘要:Abstract(#br)Supercritical fluid extraction was used to obtain oil and squalene from Amaranthus seeds. Results of studies on selection of optimum condition for extraction by supercritical carbon dioxide i.e. pressure, temperature and time of process and effect of sample pre-...
作者:Grażyna Wejnerowska , Anna Karczmarek , Jerzy Gaca
来源:[J].Journal of Chromatography A(IF 4.612), 2006, Vol.1150 (1), pp.173-177Elsevier
摘要:Abstract(#br)A new method for determination of fluoride in toothpaste employing the headspace solid-phase microextraction (HS-SPME) followed by gas chromatography/flame ionization detection (GC/FID) has been proposed. It is a development of the method for determination of fluorid...
作者:Jerzy Gaca , Grażyna Wejnerowska
来源:[J].Talanta(IF 3.498), 2006, Vol.70 (5), pp.1044-1050Elsevier
摘要:Abstract(#br)The simple, quick and effective methods for the analysis of epichlorohydrin (ECH) in water and sewage samples with the use of gas chromatography have been presented. From among all the methods developed, the procedures for monitoring drinking-water quality and t...
作者:Jerzy Gaca , Grażyna Wejnerowska
来源:[J].Analytica Chimica Acta(IF 4.387), 2004, Vol.540 (1), pp.55-60Elsevier
摘要:Abstract(#br)Studies on determination of the semi-volatile halogenoorganic compounds (SVHCs) in the sewage samples have been carried out and a new method has been developed. Both the static (headspace) and dynamic (stripping with adsorption on solid phase) method of extracti...
作者:Grażyna Wejnerowska , Anna Ciaciuch
来源:[J].Czech Journal of Food Sciences(IF 0.685), 2018, Vol.36, pp.81-87CAAS
摘要:In the present work supercritical fluid extraction with carbon dioxide was performed to obtain oil from quinoa seeds. The effects of extraction variables – namely pressure, temperature, time, particle size, and co-solvent, on supercritical carbon dioxide extraction are inves...

我们正在为您处理中,这可能需要一些时间,请稍等。

资源合作:cnki.scholar@cnki.net, +86-10-82896619   意见反馈:scholar@cnki.net

×