{"id":338239,"date":"2024-10-19T23:39:53","date_gmt":"2024-10-19T23:39:53","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-159482015\/"},"modified":"2024-10-25T22:45:52","modified_gmt":"2024-10-25T22:45:52","slug":"bs-en-159482015","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-159482015\/","title":{"rendered":"BS EN 15948:2015"},"content":{"rendered":"

This European Standard defines a routine method for the determination of moisture and protein in whole kernels of barley and wheat using a near-infrared spectrophotometer in the constituent ranges:<\/p>\n

    \n
  1. \n

    for wheat:<\/p>\n

      \n
    1. \n

      moisture content minimum range from 8 % to 22 %;<\/p>\n<\/li>\n

    2. \n

      protein content minimum range from 7 % to 20 %.<\/p>\n<\/li>\n<\/ol>\n<\/li>\n

    3. \n

      for barley:<\/p>\n

        \n
      1. \n

        moisture content minimum range from 8 % to 22 %;<\/p>\n<\/li>\n

      2. \n

        protein content minimum range from 7 % to 16 %.<\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

        This European Standard describes the modalities to be implemented by the supplier ( 5.3<\/span> and 5.4<\/span>) and the user of the method.<\/p>\n

        PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
        PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
        6<\/td>\nForeword <\/td>\n<\/tr>\n
        7<\/td>\n1 Scope
        2 Normative references
        3 Terms and definitions
        4 Principle
        5 Method of analysis
        5.1 General <\/td>\n<\/tr>\n
        8<\/td>\n5.2 Near Infrared Instrument
        5.3 Prediction models
        5.4 Initial validation of the model
        5.4.1 General
        5.4.2 Initial validation sample set <\/td>\n<\/tr>\n
        9<\/td>\n5.4.3 Initial validation performances
        Table 1 \u2014 NIR performances for the determination of moisture and protein (see also Annex B)
        5.5 Update of calibration model and validation of new model
        6 Sampling
        7 Procedure
        7.1 Preparation of the test sample
        7.2 Measurement
        7.3 Local validation of the method <\/td>\n<\/tr>\n
        10<\/td>\n7.4 Periodical adjustment of the instrument
        7.5 Checking instrument stability
        7.6 Follow up of method performance
        8 Calculation and expression of results <\/td>\n<\/tr>\n
        11<\/td>\n9 Accuracy and precision of the method
        9.1 Accuracy
        9.2 Precision
        9.2.1 General
        9.2.2 Repeatability
        9.2.3 Reproducibility <\/td>\n<\/tr>\n
        12<\/td>\n9.2.4 Critical difference
        9.2.4.1 General
        9.2.4.2 Comparison of two groups of measurements in one laboratory
        9.2.4.3 Comparison of two groups of measurements in two laboratories <\/td>\n<\/tr>\n
        13<\/td>\n10 Test Report <\/td>\n<\/tr>\n
        14<\/td>\nAnnex A (informative) Results of examples of interlaboratory test
        A.1 FOSS interlaboratory test
        Table A.1 \u2014 Samples for the interlaboratory study <\/td>\n<\/tr>\n
        15<\/td>\nTable A.2 \u2014 Results of statistical analysis for the determination of the protein content in wheat by the ANN model WB003034
        Table A.3 \u2014 Results of statistical analysis for the determination of the protein content in barley by the ANN model WB003034 <\/td>\n<\/tr>\n
        16<\/td>\nTable A.4 \u2014 Results of statistical analysis for the determination of the moisture content in wheat by ANN model WB003034
        Table A.5 \u2014 Results of statistical analysis for the determination of the moisture content in barley by ANN model WB003034 <\/td>\n<\/tr>\n
        17<\/td>\nFigure A.1 \u2014 Standard deviations for the repeatability, sr, and reproducibility, sR, as a function of the protein content <\/td>\n<\/tr>\n
        18<\/td>\nFigure A.2 \u2014 Standard deviations for the repeatability, sr, and reproducibility, sR, as a function of the moisture content <\/td>\n<\/tr>\n
        19<\/td>\nA.2 PERTEN interlaboratory test
        Table A.6 \u2014 Samples for the interlaboratory study
        Table A.7 \u2014 Results of statistical analysis for the determination of the protein content in wheat by Inframatic 9500 Wheat Calibrations Version 5, March 19, 2013 <\/td>\n<\/tr>\n
        20<\/td>\nTable A.8\u2014 Results of statistical analysis for the determination of the protein content in barley by Inframatic 9500 Barley Calibrations Version 6, March 19, 2013
        Table A.9 \u2014 Results of statistical analysis for the determination of the moisture content in wheat by Inframatic 9500 Wheat Calibrations Version 5, March 19, 2013 <\/td>\n<\/tr>\n
        21<\/td>\nTable A.10 \u2014 Results of statistical analysis for the determination of the moisture content in barley by Inframatic 9500 Barley Calibrations Version 6, March 19, 2013
        Figure A.3 \u2014 Standard deviations for the repeatability, sr, and reproducibility, sR, as a function of the protein content <\/td>\n<\/tr>\n
        22<\/td>\nFigure A.4 \u2014 Standard deviations for the repeatability, sr, and reproducibility, sR, as a function of the moisture content <\/td>\n<\/tr>\n
        23<\/td>\nA.3 CHOPIN Technologies interlaboratory test
        Table A.11 \u2014 Wheat Samples for the interlaboratory study <\/td>\n<\/tr>\n
        24<\/td>\nTable A.12 \u2014 Barley Samples for the interlaboratory study <\/td>\n<\/tr>\n
        25<\/td>\nTable A.13 a) \u2014 Results of statistical analysis for the determination of the protein content in wheat by Infraneo PLS model bl-pro03.cal
        Table A.13 b) \u2014 Results of statistical analysis for the determination of the protein content in wheat by Infraneo PLS model bl-pro03.cal <\/td>\n<\/tr>\n
        26<\/td>\nTable A.14 a) \u2014 Results of statistical analysis for the determination of the protein content in barley by Infraneo PLS model or-pro03.cal
        Table A.14 b) \u2014 Results of statistical analysis for the determination of the protein content in barley by Infraneo PLS model or-pro03.cal <\/td>\n<\/tr>\n
        27<\/td>\nTable A.15 a) \u2014 Results of statistical analysis for the determination of the moisture content in wheat by Infraneo PLS model bl-hum05.cal
        Table A.15 b) \u2014 Results of statistical analysis for the determination of the moisture content in wheat by Infraneo PLS model bl-hum05.cal <\/td>\n<\/tr>\n
        28<\/td>\nTable A.16 a) \u2014 Results of statistical analysis for the determination of the moisture content in barley by Infraneo PLS model or-hum05.cal
        Table A.16 b) \u2014 Results of statistical analysis for the determination of the moisture content in barley by Infraneo PLS model or-hum05.cal <\/td>\n<\/tr>\n
        29<\/td>\nFigure A.5 \u2014 Standard deviations for the repeatability, sr, and reproducibility, sR, as a function of the protein content on wheat samples
        Figure A.6 \u2014 Standard deviations for the repeatability, sr, and reproducibility, sR, as a function of the protein content on barley samples <\/td>\n<\/tr>\n
        30<\/td>\nFigure A.7 \u2014 Standard deviations for the repeatability, sr, and reproducibility, sR, as a function of the moisture content on wheat samples
        Figure A.8 \u2014 Standard deviations for the repeatability, sr, and reproducibility, sR, as a function of the moisture content on barley samples <\/td>\n<\/tr>\n
        31<\/td>\nAnnex B (informative) Validation of ANN prediction model WB003034
        B.1 ANN prediction model WB003034 with associated database
        Table B.1 \u2014 ANN prediction model WB003034
        B.2 Results of validation according to EN ISO 12099
        Table B.2 \u2014 ANN model WB003034 validation summary <\/td>\n<\/tr>\n
        32<\/td>\nTable B.3 \u2014 Origin of samples used for the validation of the ANN model WB003034
        Figure B.1 \u2014 Plot of reference vs. predicted moisture results using the ANN model WB003034 (bias 0,01, slope 1,00) <\/td>\n<\/tr>\n
        33<\/td>\nFigure B.2 \u2014 Plot of reference vs. predicted protein results using the ANN model WB003034 (bias 0,01; slope 1,00)
        B.3 Stability and robustness <\/td>\n<\/tr>\n
        34<\/td>\nFigure B.3 \u2014 Average deviation of protein values predicted by the model WB003034 from the best estimate of the true value as established by the mean value of the master labs of European networks (border lines : +\/- 2 standard deviations of reproducibi…
        Figure B.4 \u2014 Average deviation of moisture values predicted by the model WB003034 from the best estimate of the true value as established by the mean value of the master labs of European networks (border lines : +\/- 2 standard deviations of reproducib… <\/td>\n<\/tr>\n
        35<\/td>\nAnnex C (informative) Validation of Inframatic 9500 prediction models
        C.1 Perten Inframatic 9500 prediction models
        Table C.1 \u2014 Inframatic 9500 Wheat Calibrations Version 5, March 19, 2013
        Table C.2 \u2014 Inframatic 9500 Barley Calibrations Version 6, March 19, 2013
        C.2 Results of validations according to EN ISO 12099 <\/td>\n<\/tr>\n
        36<\/td>\nTable C.3 \u2014 Validation summary for Perten Inframatic 9500 calibrations
        Figure C.1 \u2014 Histogram of samples used for the validation of the prediction model – Inframatic 9500 Barley Calibrations Version 6, March 19, 2013 \u2013 for the moisture content in barley samples (no of samples vs. % moisture) <\/td>\n<\/tr>\n
        37<\/td>\nFigure C.2 \u2014 Histogram of samples used for the validation of the prediction model – Inframatic 9500 Barley Calibrations Version 6, March 19, 2013 – for the protein content of barley samples (no of samples vs. % protein d.m.)
        Figure C.3 \u2014 Histogram of samples used for the validation of the prediction model – Inframatic 9500 Wheat Calibrations Version 5, March 19, 2013 \u2013 for the moisture content in wheat samples (no of samples vs. % moisture) <\/td>\n<\/tr>\n
        38<\/td>\nFigure C.4 \u2014 Histogram of samples used for the validation of the prediction model – Inframatic 9500 Wheat Calibrations Version 5, March 19, 2013 – for the protein content of wheat samples (no of samples vs. % protein d.m.)
        Figure C.5 \u2014 Validation of the Inframatic 9500 Barley Calibrations Version 6 from March 19, 2013: Plot of reference vs. predicted moisture results. <\/td>\n<\/tr>\n
        39<\/td>\nFigure C.6 \u2014 Validation of the Inframatic 9500 Barley Calibrations Version 6 from March 19, 2013: Plot of reference vs. predicted protein results.
        Figure C.7 \u2014 Validation of the Inframatic 9500 Wheat Calibrations Version 5 from March 19, 2013: Plot of reference vs. predicted moisture results. <\/td>\n<\/tr>\n
        40<\/td>\nFigure C.8 \u2014 Validation of the Inframatic 9500 Wheat Calibrations Version 5 from March 19, 2013: Plot of reference vs. predicted protein results. <\/td>\n<\/tr>\n
        41<\/td>\nAnnex D (informative) Validation of Infraneo prediction models
        D.1 CHOPIN Technologies Infraneo prediction models
        Table D.1 \u2014 Infraneo Calibration models
        D.2 Results of validation according to EN ISO 12099 <\/td>\n<\/tr>\n
        42<\/td>\nTable D.2 \u2014 Infraneo prediction models validation summary
        Figure D.1 \u2014 Distribution of samples used for the validation of the Infraneo prediction model or-hum05.cal for moisture content on barley. <\/td>\n<\/tr>\n
        43<\/td>\nFigure D.2 \u2014 Distribution of samples used for the validation of the Infraneo prediction model or-pro03.cal for protein content on barley.
        Figure D.3 \u2014 Distribution of samples used for the validation of the Infraneo prediction model bl-hum05.cal for moisture content on wheat. <\/td>\n<\/tr>\n
        44<\/td>\nFigure D.4 \u2014 Distribution of samples used for the validation of the Infraneo prediction model bl-pro03.cal for protein content on wheat.
        Figure D.5 \u2014 Reference values vs. predicted results for moisture on barley <\/td>\n<\/tr>\n
        45<\/td>\nFigure D.6 \u2014 Reference values vs. predicted results for protein on barley
        Figure D.7 \u2014 Reference values vs. predicted results for moisture on wheat <\/td>\n<\/tr>\n
        46<\/td>\nFigure D.8 \u2014 Reference values vs. predicted results for protein on wheat <\/td>\n<\/tr>\n
        47<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

        Cereals. Determination of moisture and protein. Method using Near-Infrared-Spectroscopy in whole kernels<\/b><\/p>\n\n\n\n\n
        Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
        BSI<\/b><\/a><\/td>\n2015<\/td>\n50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":338245,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-338239","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/338239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/338245"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=338239"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=338239"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=338239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}