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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 (Reconfirmed 2019)

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26-08-2008

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Standards Australia

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1 - AS 2300.1.8-2008 METHODS OF CHEMICAL AND PHYSICAL TESTING FOR THE DAIRYING INDUSTRY - GENERAL METHODS AND PRINCIPLES-...
1 - PREFACE
2 - FOREWORD
2 - METHOD
2 - SECTION 1 SCOPE AND GENERAL
2 - 1.1 SCOPE
2 - 1.2 REFERENCED DOCUMENTS
3 - 1.3 ACCURACY UNCERTAINTY OF MEASUREMENT
4 - SECTION 2 PROTEIN IN MILK
4 - 2.1 SCOPE
4 - 2.2 APPLICATION
4 - 2.3 DEFINITIONS
4 - 2.3.1 Crude protein
4 - 2.3.2 True protein
4 - 2.4 PRINCIPLE
4 - 2.5 TEST SAMPLES
4 - 2.6 COMPARISON OF INSTRUMENT WITH REFERENCE METHOD
4 - 2.6.1 General
5 - 2.6.2 Instrument performance checks
5 - 2.6.3 Instrument calibration
5 - 2.6.4 Comparative analyses
5 - 2.7 CALCULATIONS
5 - 2.7.1 Mean difference
5 - 2.7.2 Standard deviation
6 - 2.8 CRITERIA FOR ACCEPTABILITY OF AN INSTRUMENT
6 - 2.9 REPORT
6 - 2.10 BIBLIOGRAPHY
7 - SECTION 3 INFRARED SPECTROMETRIC ANALYSIS OF MILK
7 - 3.1 SCOPE
7 - 3.2 PRINCIPLE
7 - 3.3 FACTORS AFFECTING THE ACCURACY OF ANALYSES
7 - 3.3.1 Instrumental factors
8 - 3.3.2 Physical, chemical and biological factors
9 - 3.4 CALIBRATION OF THE INSTRUMENT
9 - 3.4.1 General
9 - 3.4.2 Calibration check and adjustment
9 - 3.5 PERFORMANCE TESTS
9 - 3.5.1 Test procedure
9 - 3.5.2 Calculations
10 - 3.6 PERFORMANCE SPECIFICATIONS
10 - 3.6.1 General
10 - 3.6.2 Mean difference between instrument and reference values
10 - 3.6.3 Standard deviation of the difference between instrument and reference values
11 - 3.6.4 Mean difference between duplicate instrument results
11 - 3.6.5 Standard deviation of the difference between duplicate instrument results
11 - 3.7 TEST REPORT
12 - APPENDIX A - RECOMMENDED INSTRUMENT PERFORMANCE PROCEDURES FOR PROTEIN
12 - A1 REPEATABILITY
12 - A2 PURGING EFFICIENCY

This Standard describes a procedure to assess the capabilities of instrumental methods with accepted standard chemical methods.

Committee	FT-024
DocumentType	Standard
ISBN	0 7337 8815 7
Pages	12
ProductNote	Reconfirmed 15/11/2019. This standard has been reconfirmed in Australia in 2019 and remains current in New Zealand. Reconfirmation Notice 15/11/2019
PublisherName	Standards Australia
Status	Current
Supersedes	AS 2300.1.8.2-1991 DR 07344 CP AS 2300.1.8.1-1988

This Standard describes a procedure to assess the capabilities of instrumental methods with accepted standard chemical methods.

Originated as AS 2300.1.8.1-1988 and AS 2300.1.8.2-1991.
AS 2300.1.8.1-1988 and AS 2300.1.8.2-1988, revised, amalgamated and redesignated as AS 2300.1.8-2008.

AS 2300.1.2.2-1988	Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk
AS 2300.1.2.1-1991	Methods of chemical and physical testing for the dairying industry General methods and principles - Determination of nitrogen - Reference Kjeldahl method (Reconfirmed 2019)
AS/NZS 2243.2:2006	Safety in laboratories Chemical aspects
AS 2300.1.3-1988	Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of fat - Gravimetric method
AS 2300.2.6-1988	Methods of chemical and physical testing for the dairying industry Liquid milks - Determination of lactose

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AS 2300.1.8-2008

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 (Reconfirmed 2019)

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