Methods of chemical and physical testing for the dairying industry General methods and principles - Assessment of instrumental methods - Protein in milk and infrared spectrometric analysis of milk
Standards Australia
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<text>AS 2300.1.8-2008 METHODS OF CHEMICAL AND PHYSICAL TESTING FOR THE DAIRYING INDUSTRY - GENERAL METHODS AND PRINCIPLES-...</text>
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<text>PREFACE</text>
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<text>FOREWORD</text>
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<text>METHOD</text>
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<text>SECTION 1 SCOPE AND GENERAL</text>
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<text>1.1 SCOPE</text>
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<text>1.2 REFERENCED DOCUMENTS</text>
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<text>1.3 ACCURACY UNCERTAINTY OF MEASUREMENT</text>
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<text>SECTION 2 PROTEIN IN MILK</text>
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<text>2.1 SCOPE</text>
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<text>2.2 APPLICATION</text>
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<text>2.3 DEFINITIONS</text>
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<text>2.3.1 Crude protein</text>
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<text>2.3.2 True protein</text>
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<text>2.4 PRINCIPLE</text>
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<text>2.5 TEST SAMPLES</text>
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<text>2.6 COMPARISON OF INSTRUMENT WITH REFERENCE METHOD</text>
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<text>2.6.1 General</text>
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<text>2.6.2 Instrument performance checks</text>
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<text>2.6.3 Instrument calibration</text>
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<text>2.6.4 Comparative analyses</text>
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<text>2.7 CALCULATIONS</text>
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<text>2.7.1 Mean difference</text>
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<text>2.7.2 Standard deviation</text>
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<text>2.8 CRITERIA FOR ACCEPTABILITY OF AN INSTRUMENT</text>
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<text>2.9 REPORT</text>
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<text>2.10 BIBLIOGRAPHY</text>
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<text>SECTION 3 INFRARED SPECTROMETRIC ANALYSIS OF MILK</text>
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<text>3.1 SCOPE</text>
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<text>3.2 PRINCIPLE</text>
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<text>3.3 FACTORS AFFECTING THE ACCURACY OF ANALYSES</text>
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<text>3.3.1 Instrumental factors</text>
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<text>3.3.2 Physical, chemical and biological factors</text>
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<text>3.4 CALIBRATION OF THE INSTRUMENT</text>
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<text>3.4.1 General</text>
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<text>3.4.2 Calibration check and adjustment</text>
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<text>3.5 PERFORMANCE TESTS</text>
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<text>3.5.1 Test procedure</text>
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<text>3.5.2 Calculations</text>
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<text>3.6 PERFORMANCE SPECIFICATIONS</text>
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<text>3.6.1 General</text>
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<text>3.6.2 Mean difference between instrument and reference values</text>
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<text>3.6.3 Standard deviation of the difference between instrument and reference values</text>
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<text>3.6.4 Mean difference between duplicate instrument results</text>
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<text>3.6.5 Standard deviation of the difference between duplicate instrument results</text>
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<text>3.7 TEST REPORT</text>
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<text>APPENDIX A - RECOMMENDED INSTRUMENT PERFORMANCE PROCEDURES FOR PROTEIN</text>
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<text>A1 REPEATABILITY</text>
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<text>A2 PURGING EFFICIENCY</text>
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This Standard describes a procedure to assess the capabilities of instrumental methods with accepted standard chemical methods.
| Document Type | Standard |
| Status | Current |
| Publisher | Standards Australia |
| Committee | FT-024 |
| Supersedes |
|
