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AS 2300.1.8.2-1991

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods of chemical and physical testing for the dairying industry General methods and principles - Assessment of instrumental methods - Infrared spectrometric analysis of milk
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

02-28-2024

Language(s)

English

Published date

01-01-1991

Publisher

Standards Australia

1 - AS 2300.1.8.2-1991 METHODS OF CHEMICAL AND PHYSICAL TESTING FOR THE DAIRYING INDUSTRY - GENERAL METHODS AND PRINCIPLES - ASSE
1 - FOREWORD
1 - METHOD
1 - 1 SCOPE
1 - 2 REFERENCED DOCUMENTS
2 - 3 PRINCIPLE
2 - 4 FACTORS AFFECTING THE ACCURACY OF ANALYSES
2 - 4.1 Instrumental factors
2 - 4.2 Physical, chemical and biological factors
3 - 5 CALIBRATION OF THE INSTRUMENT
3 - 5.1 General
3 - 5.2 Calibration check and adjustment
3 - 6 PERFORMANCE TESTS
3 - 6.1 Test procedure
3 - 6.2 Calculations
4 - 7 PERFORMANCE SPECIFICATIONS
4 - 7.1 General
4 - 7.2 Mean difference between instrument andreference values
4 - 7.3 Standard deviation of the difference between instrument and reference values
4 - 7.4 Mean difference between duplicate instrument results
4 - 7.5 Standard deviation of the difference between duplicate instrument results
4 - 8 TEST REPORT
4 - REFERENCES

AS 2300.1.8.2-1991 sets out a procedure for evaluating the suitability of a mid-infrared spectrometric instrument for quantitatively determining fat, protein and lactose inliquid milks.

This Standard sets out a procedure for evaluating the suitability of a mid-infrared spectrometric instrument for quantitatively determining fat, protein and lactose in liquid milks.NOTES:1 The procedure may be used to assess a new instrument or an instrument after major repair, or for comparing instruments.2 The evaluation is based on a group of performance tests similar to those published in the Association of Official Analytical Chemists (AOAC) Official Methods of Analysis (Ref. 2).3 Mid-infrared instruments are usually suitable for testing whole milk, skimmed and partially skimmed milk, homogenized milk and modified milk. Some instruments are also suitable for testing cream directly.4 The instrument may also provide an estimated solids-not-fat (SNF) content by assigning a value for the minerals content, obtained by experiment, and adding the sum of the measured protein and lactose contents.

Committee
FT-024
DocumentType
Standard
ISBN
0 7262 7001 6
Pages
4
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

First published as AS 2300.1.8.2-1991.

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 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 2300.2.6-1988 Methods of chemical and physical testing for the dairying industry Liquid milks - Determination of lactose
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 2300.2.1-1996 Methods of chemical and physical testing for the dairying industry Liquid milks - Method for determining the efficiency of homogenization of milk (Reconfirmed 2016)
AS 1187-1996 Farm milk cooling and storage systems

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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