Concepedia

Primary Standards

Primary Standard is a measurement standard that defines the unit of a physical quantity with the highest metrological properties, serving as the authoritative reference for calibrating secondary standards within a traceable measurement hierarchy.

252

Publications

12.3K

Citations

891

Authors

251

Institutions

Publications per year

2017–2026

27

Variants

Primary Measurement Standards

Parents

Publications

252

Sr Lattice Clock at 1 × 10 <sup>–16</sup> Fractional Uncertainty by Remote Optical Evaluation with a Ca Clock

Andrew D. Ludlow, Tanya Zelevinsky, Gretchen K. Campbell et al. · Science · 2008 · 549 citations · Full text

, , +13

Complete PCB congener distributions for 17 aroclor mixtures determined by 3 HRGC systems optimized for comprehensive, quantitative, congener‐specific analysis

George M. Frame, Jack Cochran, Søren Bøwadt · Journal of High Resolution Chromatography · 1996 · 549 citations

, , +16

Measurement of pH. Definition, standards, and procedures (IUPAC Recommendations 2002)

Richard P. Buck, Sandra Rondinini, A. K. Covington et al. · Pure and Applied Chemistry · 2002 · 532 citations · Full text

, , +13

A Unified Near‐Infrared Spectral Classification Scheme for T Dwarfs

Adam J. Burgasser, T. R. Geballe, S. K. Leggett et al. · The Astrophysical Journal · 2006 · 495 citations · Full text

, , +16

An Accurate Flux Density Scale from 50 MHz to 50 GHz

The Astrophysical Journal Supplement Series · 2017 · 365 citations · Full text

, , +10

1–5 of 252

Authors

891

  1. DT
    D T Burns

    Bureau international des poids et mesures, France

    5 publications · 163 citations

    5

    h-index

  2. DA
    D.W. Allan

    National Institute of Standards and Technology, United States

    4 publications · 642 citations

    4

    h-index

  3. HH
    H. Hellwig

    National Institute of Standards and Technology, United States

    4 publications · 429 citations

    4

    h-index

  4. GU
    G. Ulm

    Physikalisch-Technische Bundesanstalt, Germany

    4 publications · 149 citations

    4

    h-index

  5. LD
    Leon de Prez

    VSL Dutch Metrology Institute, Netherlands

    4 publications · 111 citations

    4

    h-index

1–5 of 891

Institutions

251

  1. National Institute of Standards and Technology

    Gaithersburg, United States

    26 h-index

    154 publications

    18.3K citations

  2. Physikalisch-Technische Bundesanstalt

    Braunschweig, Germany

    20 h-index

    77 publications

    3.3K citations

  3. National Physical Laboratory

    London, United Kingdom

    17 h-index

    61 publications

    2.6K citations

  4. Bureau international des poids et mesures

    Sèvres, France

    12 h-index

    24 publications

    969 citations

  5. Istituto Nazionale di Ricerca Metrologica

    Turin, Italy

    11 h-index

    30 publications

    635 citations

  6. National Research Council Canada

    Ottawa, Canada

    9 h-index

    13 publications

    456 citations

  7. National Institute of Advanced Industrial Science and Technology

    Tsukuba, Japan

    8 h-index

    21 publications

    350 citations

  8. Commissariat à l'Énergie Atomique et aux Énergies Alternatives

    Paris, France

    6 h-index

    11 publications

    282 citations

1–8 of 251

Venues

  1. Metrologia

    61 publications · 2.1K citations

    24

    h-index

  2. 11

    h-index

  3. Clinical Chemistry

    9 publications · 401 citations

    9

    h-index

  4. Journal of Geophysical Research Atmospheres

    JGR · 7 publications · 565 citations

    7

    h-index

  5. The Astronomical Journal

    AJ · 7 publications · 412 citations

    7

    h-index

1–5