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- ANDERSSON, O, et al.
(författare)
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DETERMINATION OF SELENIUM IN BIOLOGICAL-MATERIALS BY A NEW FLUOROMETRIC REAGENT, 2,3-DIAMINO-1,4-DICHLORONAPHTHALENE
- 1995
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Ingår i: CHEMIA ANALITYCZNA. - : INSTYTUT CHEMII FIZYCZNEJ PAN. ; 40:3
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Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
- The properties of 2,3-diamino-1,4-dichloronaphthalene (Cl-2-DAN) as a reagent for the fluorimetric determination of selenium in biological samples have been investigated. The selenium complex formed, 4,7-dichloro-5,6-benzopiazselenol, exhibits an emissio
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- Ekvall, I, et al.
(författare)
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Preparation and characterization of electrochemically etched W tips for STM
- 1999
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Ingår i: MEASUREMENT SCIENCE & TECHNOLOGY. - : IOP PUBLISHING LTD. - 0957-0233. ; 10:1, s. 11-18
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- We have investigated methods for cleaning de-etched polycrystalline tungsten tips for scanning tunnelling microscopy (STM). The cleaning methods include Ar-ion sputtering, heating, chemical treatments and Ne-ion self-sputtering. We correlate transmission
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