Örnemark, U.: search on Z-Library

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1

Surveys on the accreditation of providers of proficiency testing and external quality assessment schemes

Anita Schmidt, Ulf Örnemark, Manfred Golze, Gitte Marie Henriksen

Journal:

Accreditation and Quality Assurance

Year:

2006

Language:

english

File:

PDF, 235 KB

english, 2006

2

Evaluation of Uncertainty of Measurement in Routine Clinical Chemistry - Applications to Determination of the Substance Concentration of Calcium and Glucose in Serum

Linko, Solveig, Örnemark, Ulf, Kessel, Rüdiger, Taylor, Philip D.P.

Journal:

Clinical Chemistry and Laboratory Medicine

Year:

2002

Language:

english

File:

PDF, 125 KB

english, 2002

3

Measurement uncertainty—Surveys about customers' knowledge, reactions and needs

Ulf Örnemark, Magnus Holmgren

Journal:

Accreditation and Quality Assurance

Year:

2003

Language:

english

File:

PDF, 147 KB

english, 2003

4

Measurement uncertainty—policy and guidance documents issued by accreditation bodies

Journal:

Accreditation and Quality Assurance

Year:

2004

Language:

english

File:

PDF, 90 KB

english, 2004

5

Proficiency testing in analytical chemistry, microbiology and laboratory medicine: working group discussions on current practice and future directions

Brian Brookman, Ioannis Papadakis, Alan Squirrell, Steve Evans, Steve Ellison, Ulf Örnemark, Nick Boley, Anita Schmidt, Ellen van Berkel, Barry Tylee, Mike Noble, Michael Koch, Dan Tholen

Journal:

Accreditation and Quality Assurance

Year:

2004

Language:

english

File:

PDF, 186 KB

english, 2004

6

Solid-phase extraction procedure for the determination of selenium by capillary gas chromatography

K. Johansson, U. Örnemark, Å. Olin

Journal:

Analytica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 1.07 MB

english, 1993

7

Policies, requirements and surveys concerning frequency for participation in proficiency testing schemes

Ulf Örnemark, Harald Fostel, Rolf Straub, Johannes van de Kreeke

Journal:

Accreditation and Quality Assurance

Year:

2004

Language:

english

File:

PDF, 101 KB

english, 2004

8

Comparability of PT schemes – what did we learn from COEPT?

Nick Boley, Adriaan M. H. van der Veen, Piotr Robouch, Manfred Golze, Johannes van de Kreeke, Ulf Örnemark, Barry Tylee

Journal:

Accreditation and Quality Assurance

Year:

2006

Language:

english

File:

PDF, 388 KB

english, 2006

9

Calibration services in the frame of accredited coagulation EQA schemes – Meeting the IVD directive

Ulf Örnemark, Elisabeth Nilsson, Gunnar Nordin, Nils Egberg, Tomas L Lindahl, Andreas Hillarp, Lennart Stigendahl, Inger Fagerberg

Journal:

Accreditation and Quality Assurance

Year:

2006

Language:

english

File:

PDF, 188 KB

english, 2006

10

Accreditation of PT providers – is it worth the money?

Anthony J. Russell, Ulf Örnemark, Lena Hård, Gunnar Nordin

Journal:

Accreditation and Quality Assurance

Year:

2006

Language:

english

File:

PDF, 162 KB

english, 2006

11

The International Measurement Evaluation Programme (IMEP) IMEP-6: "Trace elements in water"

L. Van Nevel, Philip D. P. Taylor, U. Örnemark, John R. Moody, Klaus G. Heumann, Paul De Bièvre

Journal:

Accreditation and Quality Assurance

Year:

1998

Language:

english

File:

PDF, 978 KB

english, 1998

12

The International Measurement Evaluation Programme (IMEP):

L. Van Nevel, Philip D. P. Taylor, Ulf Örnemark, Paul De Bièvre

Journal:

Accreditation and Quality Assurance

Year:

1998

Language:

english

File:

PDF, 75 KB

english, 1998

13

Metrology in laboratory medicine – A necessity

R. Dybkaer, Ulf Örnemark, Adam Uldall, Wolfgang Richter

Journal:

Accreditation and Quality Assurance

Year:

1999

Language:

english

File:

PDF, 52 KB

english, 1999

14

The IRMM International Measurement Evaluation Programme (IMEP) IMEP-7: Inorganic components in human serum

U. Örnemark, L. Van Nevel, P. D. P. Taylor, P. Robouch, P. De Bièvre, A. Uldall, M. Loikkanen, M. M. Müller, J.-C. Libeer, H. Steensland, K. Hellsing, A. Squirrell, L. A. Penberthy, D. Schiel, T. Tamb

Journal:

Accreditation and Quality Assurance

Year:

1999

Language:

english

File:

PDF, 116 KB

english, 1999

15

Bridging cultural gaps in quality assurance

U. Örnemark, Nick Boley, Jean-Claude Libeer

Journal:

Accreditation and Quality Assurance

Year:

2001

Language:

english

File:

PDF, 32 KB

english, 2001

16

Proficiency testing in analytical chemistry, microbiology, and laboratory medicine – working group discussions on current status, problems, and future directions

U. Örnemark, Nick Boley, Khalid Saeed, Petronella M. van Berkel, Rainer Schmidt, Michael Noble, Irma Mäkinen, Mauri Keinänen, Adam Uldall, Heidi Steensland, Adriaan Van der Veen, Daniel W. Tholen, Man

Journal:

Accreditation and Quality Assurance

Year:

2001

Language:

english

File:

PDF, 45 KB

english, 2001

17

Preconcentration and separation of inorganic selenium on Dowex 1X8 prior to hydride generation—atomic absorption spectrometry

Ulf Örnemark, Åke Olin

Journal:

Year:

1994

Language:

english

File:

PDF, 839 KB

english, 1994

18

Determination of selenium in freshwaters by cathodic stripping voltammetry after UV irradiation

Gunnar Mattsson, Leif Nyholm, Åke Olin, Ulf Örnemark

Journal:

Year:

1995

Language:

english

File:

PDF, 774 KB

english, 1995

19

Stability studies and purification procedure for nitrite solutions in view of the preparation of isotopic reference materials

Jean-Claude Wolff, Ulf Örnemark, Philip D.P. Taylor, Paul De Bièvre

Journal:

Year:

1998

Language:

english

File:

PDF, 174 KB

english, 1998

20

Determination of total selenium in water by atomic-absorption spectrometry after hydride generation and preconcentration in a cold trap system

Ulf Örnemark, Jean Pettersson, Åke Olin

Journal:

Year:

1992

Language:

english

File:

PDF, 866 KB

english, 1992

21

Determination of dissolved selenium(VI) in freshwater

Ulf Örnemark, Åke Olin

Journal:

Year:

1994

Language:

english

File:

PDF, 740 KB

english, 1994

22

Proficiency testing in analytical chemistry, microbiology and laboratory medicine: discussions on current practice and future directions

Brookman, Brian, Butler, Owen, Koch, Michael, Noblett, Tracey, Örnemark, Ulf, Patriarca, Marina, van Putten, Kees, Robouch, Piotr

Journal:

Accreditation and Quality Assurance

Year:

2015

Language:

english

File:

PDF, 189 KB

english, 2015

23

Wood WG. Questionable results – who directs the EQAS organisers?

Nordin, Gunnar, Örnemark, Ulf, Hård, Lena

Journal:

Clinical Chemistry and Laboratory Medicine

Year:

2004

Language:

english

File:

PDF, 51 KB

english, 2004

24

The Nordic Trueness Project 2002: use of reference measurement procedure values in a general clinical chemistry survey

Pedersen, M. M., Örnemark, U., Rustad, P., Steensland, H., Loikkanen, M., Ólafsdóttir, E., Henriksen, G. M., Jørgensen, N., Uldall, A., Nordin, G., Nordberg, U.‐R.

Journal:

Scandinavian Journal of Clinical & Laboratory Investigation

Year:

2004

Language:

english

File:

PDF, 472 KB

english, 2004

25

Proficiency testing in analytical chemistry, microbiology and laboratory medicine: discussions on current practice and future directions

Brookman, Brian, Butler, Owen, Ciaralli, Laura, Horsky, Monika, Laurent, Caroline, Noblett, Tracey, Örnemark, Ulf, Patriarca, Marina, Sibbesen, Lorens P., Tiikkainen, Ulla, van Putten, Kees, Robouch,

Journal:

Accreditation and Quality Assurance

Year:

2018

Language:

english

File:

PDF, 368 KB

english, 2018

26

Fluorimetry of selenium in body fluids after digestion with nitric acid, magnesium nitrate hexahydrate, and hydrochloric acid.

Pettersson, J, Hansson, L, Ornemark, U, Olin, A

Journal:

Clinical Chemistry

Year:

1988

File:

PDF, 680 KB

1988