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  • 1.
    Amon, Francine
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Brandteknik, skydd (BRs ).
    Andersson, Petra
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Brandteknik, forskning (BRf ).
    Karlson, Ingvar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Produktsäkerhet.
    Sahlin, Eskil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Fire risks associated with batteries2012Report (Refereed)
  • 2.
    Andersson, Anders
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Volym, flöde, temperatur o densitet.
    Mattiasson, Kerstin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Volym, flöde, temperatur o densitet.
    Holmsten, Magnus
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Volym, flöde, temperatur o densitet.
    Lidbeck, Mats
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Volym, flöde, temperatur o densitet.
    Jonasson, Viktoria
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Massa, kraft, längd och tryck.
    Magnusson, Bertil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Mätteknik för processindustrin2010Report (Refereed)
    Abstract [sv]

    En lärobok (främst riktad till yrkeshögskolan) om hur man undviker mätfel, om olika mätprinciper och om hur mätutrustning av olika slag bäst används och monteras. Främst handlar det om temperatur, tryck, flöde och nivå men även annat som finns i en processindustri.

  • 3.
    Ekendahl, Susanne
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber.
    Strömberg, Niklas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Haglund, Jonas
    Lauritzen, Andreas
    Persson, Magnus
    Sandberg, Maria
    Svanberg, Johanna
    Svensen, Tarjei
    Tervell, Nils
    Wernvall, Svante
    Wiklund, Per
    Pettersson, Christer
    Algodling hos massa- och pappersbruk för hållbar produktion av biobränsle – en förstudie2012Report (Refereed)
  • 4. Ellison, S L R
    et al.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Treatment of uncorrected measurement bias in uncertainty estimation for chemical measurements2008In: Anal Bioanl Chem., Vol. 390, p. 201-213Article in journal (Refereed)
    Abstract [en]

    Consistent treatment of measurement bias, including the question of whether or not to correct for bias, is essential for the comparability of measurement results. The case for correcting for bias is discussed, and it is shown that instances in which bias is known or suspected, but a specific correction cannot be justified, are comparatively common. The ISO Guide to the Expression of Uncertainty in Measurement does not provide well for this situation. It is concluded that there is a need for guidance on handling cases of uncorrected bias. Several different published approaches to the treatment of uncorrected bias and its uncertainty are critically reviewed with regard to coverage probability and simplicity of execution. On the basis of current studies, and taking into account testing laboratory needs for a simple and consistent approach with a symmetric uncertainty interval, we conclude that for most cases with large degrees of freedom, linear addition of a bias term adjusted for exact coverage (“Ue”) as descibed by Synek is to be preferred. This approach does, however, become more complex if degrees of freedom are low. For modest bias and low degrees of freedom, summation of bias, bias uncertainty and observed value uncertainty in quadrature (“RSSu”) provides a similar interval and is simpler to adapt to reduced degrees of freedom, at the cost of a more restricted range of application if accurate coverage is desired.

  • 5.
    Johansson, Inge
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Sahlin, Eskil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    von Bahr, Bo
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Brandteknik, material (BRm).
    Björkmalm, Johanna
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Todorovic Olsson, Jelena
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Kritiska metaller i Svenska avfallsaskor2014Report (Refereed)
  • 6.
    Johansson, Inge
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Sahlin, Eskil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    von Bahr, Bo
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Brandteknik, material (BRm).
    Björkmalm, Johanna
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Todorovic Olsson, Jelena
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Energiteknik (ET).
    Kritiska metaller i Svenska avfallsaskor2014Report (Refereed)
  • 7.
    Källgren, Håkan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Massa, kraft, längd och tryck.
    Pendrill, Leslie
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik.
    Magnusson, Bertil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Role of measurement uncertainty in conformity assessment in legal metrology and trade2003In: Accreditation and Quality Assurance, Vol. 8, p. 541–547-Article in journal (Refereed)
  • 8.
    Langer, Sarka
    et al.
    SP - Sveriges Tekniska Forskningsinstitut / Organisk kemi (Kmo).
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    International Comparison CCQM-P28: Ozone at ambient level2006In: Metrologia, Technical Supplement, 08010., Vol. 43Article in journal (Refereed)
  • 9.
    Lausmaa, Jukka
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Funktionella material (KMf).
    Lyvén, Benny
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Osseointegration of titanium with an antimicrobial nanostructured noble metal coating2013In: Nanomedicine: Nanotechnology, Biology, and Medicine, Vol. 9, no 7, p. 1048-1056Article in journal (Refereed)
  • 10.
    Lyvén, Benny
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Mobility and methylation of mercury in forest soils2001In: Water Air and Soil Pollution: Focus 1, p. 285-393Article in journal (Other academic)
  • 11.
    Lyvén, Benny
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Particle size distributions of clay-rich sediments and pure cly minerals: A comparison of grain size analysis with sedimentation field-flow fractionation2001In: Aquatic geochemistry, ISSN 1380-6165, E-ISSN 1573-1421, Vol. 7, no 2, p. 155-171Article in journal (Other academic)
  • 12.
    Lyvén, Benny
    et al.
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Haraldsson, Conny
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Competition between iron- and carbon-based colloidal carriers for trace metals in a freshwater assessed using flow field-flow fractionation coupled to ICPMS2003In: Geochimica et Cosmochimica Acta, Vol. 67, p. 3791-3802Article in journal (Refereed)
    Abstract [en]

    Competition between iron- and carbon-based colloidal carriers for trace metals in a freshwater assessed using flow field-flow fractionation coupled to ICPMS

  • 13.
    Lyvén, Benny
    et al.
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Haraldsson, Conny
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Hassellöv, M
    Determination of continuous size and trace element distribution of colloidal material in natural water by online coupling of flow field-flow fractionation with ICP MS1999In: Analytical Chemistry, ISSN 0003-2700, E-ISSN 1520-6882, Vol. 71, no 16, p. 3497-3502Article in journal (Other academic)
  • 14.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Handbok för beräkning av mätosäkerhet vid miljölaboratorier2011Report (Refereed)
  • 15.
    Magnusson, Bertil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Handbok för beräkning av mätosäkerhet vid miljölaboratorier. Översättning av NORDTEST rapport TR 537 (projekt 1589-02)2003Report (Refereed)
  • 16.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Handbook for Calculation of Measurement Uncertainty in Environmental Laboratories2003Report (Refereed)
  • 17.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Handbook for Calculation of Measurement Uncertainty in Environmental Laboratories Version 3 January 20082008Report (Refereed)
  • 18.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Key challenges in internal quality control: Eurachem training course and workshop held in Berlin2013In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 18, no 4, p. 269-270Article in journal (Refereed)
  • 19.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Methodology in internal quality control of chemical analysis2013In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 18, no 4, p. 271-278Article in journal (Refereed)
  • 20.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Metodvalidering Handbok för laboratorier2011Report (Refereed)
  • 21.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Routine internal- and external-quality control data in clinical laboratories for estimating measurement and diagnostic uncertainty using GUM principles2012In: Scandinavian Journal of Clinical and Laboratory Investigation, ISSN 0036-5513, E-ISSN 1502-7686, Vol. 72, no 3, p. 212-220Article in journal (Refereed)
  • 22.
    Magnusson, Bertil
    Oorganisk kemi (Kmoo).
    Uncertainty of standard addition experiments: A novel approach to include the uncertainty associated with the standard in the model equation2012In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 17, no 2, p. 129-138Article in journal (Refereed)
  • 23.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Understanding the meaning of accuracy, trueness and precision.2007In: Accred Qual Assur, Vol. 12, p. 45-47Article in journal (Refereed)
  • 24.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Use of characteristic functions derived from proficiency testing data to evaluate measurement uncertainties2012In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 17, no 4, p. 399-403Article in journal (Refereed)
  • 25.
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    VAM bulletin, New approach on internal quality control2007In: Nordtest/NICe, no 35, p. 21-22Article in journal (Other (popular science, discussion, etc.))
  • 26.
    Magnusson, Bertil
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Ellisson, S. L. R.
    LGC, UK.
    Patriarca, M.
    Istituto Superiore di Sanita, Italy.
    Impact of Eurachem 25 years of activity2014In: Accreditation and Quality Assurance, ISSN 0949-1775, E-ISSN 1432-0517, Vol. 19, no 2, p. 59-64Article in journal (Refereed)
  • 27.
    Magnusson, Bertil
    et al.
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Haraldsson, Conny
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Isotope dilution with ICP-MS - Simplified uncertainty estimation using a robust procedure based on a higher target value of uncertainty2005In: Journal of Analytical Atomic Spectrometry, Vol. 20, p. 1024-1029Article in journal (Refereed)
  • 28.
    Magnusson, Bertil
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Lundgren, Björn
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor.
    Handbok för validering av analysmetoder inom laboratoriet2004Report (Refereed)
  • 29.
    Magnusson, Bertil
    et al.
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Löfdahl, Gunn-Mari
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Volym, flöde, temperatur o densitet.
    Lau, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Volym, flöde, temperatur o densitet.
    Gustavsson, Lennart
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Energi och Bioekonomi, Förbrännings- och aerosolteknik.
    Mätteknik för koldioxidutsläpp - principer och kostnader för övervakning inom ramen för EU: s system för handel med utsläppsrätter för koldioxid2004Report (Refereed)
  • 30.
    Magnusson, Bertil
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Nordbotten, A
    Gron, C
    Hansen, J B
    Krysell, Mikael
    Danmark.
    Jebjerg Andersen, K
    Lund, Ulla
    Danmark.
    Uncertainty from sampling - a nordtest handbook for sampling planners on sampling quality assurance and uncertainty estimation2008Report (Refereed)
    Abstract [en]

    The handbook provides practical guidance on sampling uncertainty estimation in the Nordtest TR handbook format. The handbook is an extract of and based upon the principles, methods and text of the international Eurachem Guide Estimation of measurement uncertainty arising from sampling. The Eurachem guide is more extensive and provides details on theory and additional examples. The basic reference for the text in this handbook is the above-mentioned Eurachem guide. The overall purpose of this handbook has been to provide those working with investigations, monitoring and control that require sampling with a set of tools for calculation and control of the sampling uncertainty of their sampling procedure. Four examples illustrate the application of different methods and tools, while allowing you to follow all steps of the calculations. Although the examples are given for specific matrices (groundwater, iron ore, baby food and wastewater) the approaches are widely applicable. It is the intention of the project group to make these tools and the understanding of their use available outside the world of analytical chemistry, although the basic principles applied originate from analytical chemistry.

  • 31.
    Magnusson, Bertil
    et al.
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Pyykkö, Rauno
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    CCQM Electrochemical Analysis WG Key Comparison CCQM-K36: Electrolytic Conductivity at 0.5 and 0.005 S/m2005Report (Refereed)
  • 32.
    Magnusson, Bertil
    et al.
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Örnemark, Ulf
    Handbok för validering av analysmetoder inom laboratoriet2009Report (Refereed)
  • 33.
    Möller, Kenneth
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Lyvén, Benny
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Chemical and topographical analyses of tooth surfaces after Carisolv treatment2002In: Journal of Dentistry, ISSN 0300-5712, E-ISSN 1879-176X, Vol. 30, no 2, p. 67-75Article in journal (Other academic)
  • 34.
    Pendrill, Leslie
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik.
    Löfdahl, Gunn-Mari
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Volym, flöde, temperatur o densitet.
    Magnusson, Bertil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Sacconi, A.
    Metrology needs and measurement priorities in the Environmental sector2007Report (Refereed)
  • 35.
    Sahlin, Eskil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Two-dimensional capillary electrophoresis using tangentially connected capillaries2007In: Journal of Chromatography A, Vol. 1154, p. id 454-459Article in journal (Refereed)
  • 36.
    Sahlin, Eskil
    et al.
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Magnusson, Bertil
    SP - Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Survey analysis and chemical characterization of solid inhomogeneous samples using a general homogenization procedure including acid digestion, drying, grinding and briquetting together with X-ray fluorescence2012In: Talanta: The International Journal of Pure and Applied Analytical Chemistry, ISSN 0039-9140, E-ISSN 1873-3573, Vol. 97, p. 63-72Article in journal (Refereed)
  • 37.
    Strömberg, Niklas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Biodiesel degradation rate after refueling2013In: Fuel, ISSN 0016-2361, E-ISSN 1873-7153, Vol. 105, no Mar, p. 301-305Article in journal (Refereed)
  • 38.
    Strömberg, Niklas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Diffusion consistent calibrations for improved chemical imaging using nanoparticle enhanced optical sensors2012In: The Analyst, ISSN 0003-2654, E-ISSN 1364-5528, Vol. 137, no 2, p. 315-321Article in journal (Refereed)
  • 39.
    Strömberg, Niklas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Digital colour tone for fluorescence sensing: A direct comparison of intensity, ratiometric and hue based quantification2014In: The Analyst, ISSN 0003-2654, E-ISSN 1364-5528, Vol. 139, no 14, p. 3524-3527Article in journal (Refereed)
    Abstract [en]

    The hue parameter of HSV colour-space for digital imaging is shown to be accessible for convenient quantitative fluorescence imaging. A commercially available pH probe was utilized in solution and incorporated into optical μ-sensors for microscopy applications.

  • 40.
    Strömberg, Niklas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Imaging-optode measurements of ammonium distribution in soil after different manure amendments2011In: European Journal of Soil Science, ISSN 1351-0754, E-ISSN 1365-2389, Vol. 62, no 2, p. 295-304Article in journal (Refereed)
  • 41.
    Strömberg, Niklas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Plasmonic nanoparticle interactions for high-performance imaging fluorosensors2011In: Chemical Communications, ISSN 1359-7345, E-ISSN 1364-548X, Vol. 47, no 12, p. 3433-3435Article in journal (Refereed)
  • 42.
    Strömberg, Niklas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Plasmophore sensitized imaging of ammonia release from biological tissues using optodes2011In: Analytica Chimica Acta, ISSN 0003-2670, E-ISSN 1873-4324, Vol. 704, no 1-2, p. 139-145Article in journal (Refereed)
  • 43.
    Strömberg, Niklas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Ruthenium(II) complex enantiomers as cellular probes for diastereomeric interactions in confocal and fluorescence lifetime imaging microscopy2011In: Journal of Physical Chemistry Letters, ISSN 1948-7185, E-ISSN 1948-7185, Vol. 2, no 5, p. 397-401Article in journal (Refereed)
  • 44.
    Strömberg, Niklas
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Eriksson, H.
    Scania, Sweden.
    Saramat, A.
    Scania, Sweden.
    Determination of phase separation efficiency for biodiesel quality and blending2014In: Fuel, ISSN 0016-2361, E-ISSN 1873-7153, Vol. 117, no pt A, p. 74-78Article in journal (Refereed)
    Abstract [en]

    In this study we reintroduce phase separation efficiency as an important characteristic for biodiesel quality and blending. The ability of the fuel to emulsify water is possibly one of the most important features behind biological and chemical fuel degradation but yet, no methods that directly measure this property are included in the standard biodiesel regulation EN14214. The proposed simple technique for fuel quality testing is based on the time it takes for ultra-purified water to become transparent after complete mixing with an equal volume of fuel, measured by kinetic absorbance spectrophotometry. In this study we screen the phase separation efficiency (measured as separation time) of purified, un-aged and aged Fatty Acid Methyl Esters (FAME/B100) and its blends with EN590 with 7% FAME without detergents (B7 reference fuel Euro VI Part no 546061-35 and B100) as well as for FAME blends with a commercial EN590. The B7 fuel was used as reference in all measurements. Aged biodiesel (FAME/B100) almost doubled (1.8 times) its separation time compared to the un-aged FAME/B100 sample and had almost three times (2.9) longer phase separationtime relative the reference B7 fuel. Also fuel blends showed long separation times. A fuel blend based on aged FAME/B100 blended with B7 to a corresponding B30 (30% FAME) gave after three consecutive 10 s mixings stable emulsions (>30 min) in two out of three replicates. All fuels blended with commercial EN590 showed excellent phase separation efficiencies with significantly shorter separation times than FAME/B100. We also show that the phase separation efficiency of the B30 blend could be improved after the rape seed ester was vacuum distilled before blending with B7 petrodiesel. The results indicate that likely emulsion problems associated with the B30 blends can be circumvented with proper selection of compatible petroleum components as well as FAME purifications.

  • 45.
    Strömberg, Niklas
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Sahlin, Eskil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Determination of the short-chain fatty acid pattern in biodiesel using high throughput syringe solvent extraction and ion exclusion chromatography2012In: Fuel, ISSN 0016-2361, E-ISSN 1873-7153, Vol. 97, p. 531-535Article in journal (Refereed)
  • 46.
    Theodorsson, E.
    et al.
    Linköping University, Sweden.
    Magnusson, Bertil
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Oorganisk kemi (Kmoo).
    Leito, I.
    University of Tartu, Estonia.
    Bias in clinical chemistry2014In: Bioanalysis, ISSN 1757-6180, E-ISSN 1757-6199, Vol. 6, no 21, p. 2855-2875Article in journal (Refereed)
    Abstract [en]

    Clinical chemistry uses automated measurement techniques and medical knowledge in the interest of patients and healthy subjects. Automation has reduced repeatability and day-to-day variation considerably. Bias has been reduced to a lesser extent by reference measurement systems. It is vital to minimize clinically important bias, in particular bias within conglomerates of laboratories that measure samples from the same patients. Small and variable bias components will over time show random error properties and conventional random-error based methods for calculating measurement uncertainty can then be applied. The present overview of bias presents the general principles of error and uncertainty concepts, terminology and analysis, and suggests methods to minimize bias and measurement uncertainty in the interest of healthcare. 

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