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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03292naa a2200397 4500 | |
| 001 | oai:research.chalmers.se:c28a8d9f-1af3-440a-963b-24b6be2f12b6 | |
| 003 | SwePub | |
| 008 | 171007s2016 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://doi.org/10.1016/j.apradiso.2016.01.0112 DOI |
| 024 | 7 | a https://research.chalmers.se/publication/2350492 URI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Holmgren, S.u Totalförsvarets forskningsinstitut (FOI),Swedish Defence Research Agency (FOI)4 aut |
| 245 | 1 0 | a Time optimization of Sr-90 measurements: Sequential measurement of multiple samples during ingrowth of Y-90 |
| 264 | 1 | b Elsevier BV,c 2016 |
| 520 | a The aim of this paper is to contribute to a more rapid determination of a series of samples containing Sr-90 by making the Cherenkov measurement of the daughter nuclide Y-90 more time efficient. There are many instances when an optimization of the measurement method might be favorable, such as; situations requiring rapid results in order to make urgent decisions or, on the other hand, to maximize the throughput of samples in a limited available time span. In order to minimize the total analysis time, a mathematical model was developed which calculates the time of ingrowth as well as individual measurement times for n samples in a series. This work is focused on the measurement of Y-90 during ingrowth, after an initial chemical separation of strontium, in which it is assumed that no other radioactive strontium isotopes are present. By using a fixed minimum detectable activity (MDA) and iterating the measurement time for each consecutive sample the total analysis time will be less, compared to using the same measurement time for all samples. It was found that by optimization, the total analysis time for 10 samples can be decreased greatly, from 21 h to 6.5 h, when assuming a MDA of 1 Bq/L and at a background count rate of approximately 0.8 cpm. | |
| 650 | 7 | a NATURVETENSKAPx Kemix Oorganisk kemi0 (SwePub)104042 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Inorganic Chemistry0 (SwePub)104042 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysikx Subatomär fysik0 (SwePub)103012 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Subatomic Physics0 (SwePub)103012 hsv//eng |
| 653 | a Y-90 | |
| 653 | a Sequential measurement | |
| 653 | a Sr-90 | |
| 653 | a Multiple samples | |
| 653 | a Optimization | |
| 700 | 1 | a Tovedal, A.u Totalförsvarets forskningsinstitut (FOI),Swedish Defence Research Agency (FOI)4 aut |
| 700 | 1 | a Björnham, Oscaru Totalförsvarets forskningsinstitut (FOI),Swedish Defence Research Agency (FOI)4 aut |
| 700 | 1 | a Ramebäck, Henrik,d 1967u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)rameback |
| 710 | 2 | a Totalförsvarets forskningsinstitut (FOI)b Chalmers tekniska högskola4 org |
| 773 | 0 | t Applied Radiation and Isotopesd : Elsevier BVg 110, s. 150-154q 110<150-154x 0969-8043x 1872-9800 |
| 856 | 4 | u http://dx.doi.org/10.1016/j.apradiso.2016.01.011y FULLTEXT |
| 856 | 4 8 | u https://doi.org/10.1016/j.apradiso.2016.01.011 |
| 856 | 4 8 | u https://research.chalmers.se/publication/235049 |
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