Please wait, while we are loading the content...
Please wait, while we are loading the content...
| Content Provider | Springer Nature Link |
|---|---|
| Author | Nagy, M. Molnár, Z. Hanák, L. Argyelán, J. Szánya, T. Ravasz, B. Aranyi, A. Temesvári, K. |
| Copyright Year | 2004 |
| Abstract | In this experimental work laboratory-scale four-column equipment (L=25 cm, i.d.=1 cm) was planned and constructed, with the co-operation of the Central Mechanical Workshop, University of Veszprém, for separation of two steroid isomers [1] using YMC S-50 silica gel as adsorbent. The effect of changing the composition of fresh eluent (in this work acetone-dichloromethane) on component separation was examined—the amount of acetone in the mixture was 40, 50, 60, or 70% (v/v). Product purity and other specifications (yield, productivity, eluent consumption) were measured by gas chromatography. An equilibrium mathematical model of the SMB process for open and closed eluent cycles was constructed by means of a computer program [2, 3]. Adsorption equilibrium, and kinetic data, theoretical plate number measurement, frontal and elution adsorption–desorption measurements for determination of the optimum conditions for the SMB process and for construction of the mathematical model were measured by means of laboratory experiments. Finally, results from the simulation programme were compared with measurement results. Our conclusion on the basis of laboratory measurements was that varying the composition of fresh acetone-dichloromethane eluent between 40:60 and 60:40% (v/v) and applying 5 g L−1 steroid mixture to the column inlet enables satisfactory isolation of component B by the SMB process, although the effect of modifying model parameters will be investigated in further work. |
| Starting Page | S181 |
| Ending Page | S187 |
| File Format | |
| ISSN | 00095893 |
| Journal | Chromatographia |
| Volume Number | 60 |
| Issue Number | 1 |
| e-ISSN | 16121112 |
| Language | English |
| Publisher | Vieweg Verlag |
| Publisher Date | 2004-06-16 |
| Publisher Place | Wiesbaden |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Preparative liquid chromatography Simulated moving-bed chromatography Solvent gradient SMB |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry |
National Digital Library of India (NDLI) is a virtual repository of learning resources which is not just a repository with search/browse facilities but provides a host of services for the learner community. It is sponsored and mentored by Ministry of Education, Government of India, through its National Mission on Education through Information and Communication Technology (NMEICT). Filtered and federated searching is employed to facilitate focused searching so that learners can find the right resource with least effort and in minimum time. NDLI provides user group-specific services such as Examination Preparatory for School and College students and job aspirants. Services for Researchers and general learners are also provided. NDLI is designed to hold content of any language and provides interface support for 10 most widely used Indian languages. It is built to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular forms of access devices and differently-abled learners. It is designed to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources. It is developed, operated and maintained from Indian Institute of Technology Kharagpur.
Learn more about this project from here.
NDLI is a conglomeration of freely available or institutionally contributed or donated or publisher managed contents. Almost all these contents are hosted and accessed from respective sources. The responsibility for authenticity, relevance, completeness, accuracy, reliability and suitability of these contents rests with the respective organization and NDLI has no responsibility or liability for these. Every effort is made to keep the NDLI portal up and running smoothly unless there are some unavoidable technical issues.
Ministry of Education, through its National Mission on Education through Information and Communication Technology (NMEICT), has sponsored and funded the National Digital Library of India (NDLI) project.
| Sl. | Authority | Responsibilities | Communication Details |
|---|---|---|---|
| 1 | Ministry of Education (GoI), Department of Higher Education |
Sanctioning Authority | https://www.education.gov.in/ict-initiatives |
| 2 | Indian Institute of Technology Kharagpur | Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project | https://www.iitkgp.ac.in |
| 3 | National Digital Library of India Office, Indian Institute of Technology Kharagpur | The administrative and infrastructural headquarters of the project | Dr. B. Sutradhar bsutra@ndl.gov.in |
| 4 | Project PI / Joint PI | Principal Investigator and Joint Principal Investigators of the project |
Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon |
| 5 | Website/Portal (Helpdesk) | Queries regarding NDLI and its services | support@ndl.gov.in |
| 6 | Contents and Copyright Issues | Queries related to content curation and copyright issues | content@ndl.gov.in |
| 7 | National Digital Library of India Club (NDLI Club) | Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach | clubsupport@ndl.gov.in |
| 8 | Digital Preservation Centre (DPC) | Assistance with digitizing and archiving copyright-free printed books | dpc@ndl.gov.in |
| 9 | IDR Setup or Support | Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops | idr@ndl.gov.in |
|
Loading...
|