Methods for determination of the freezing-point depression of milk. Methods Hortvet method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-02-1988

Publisher

British Standards Institution

Foreword
Committees responsible
Method
1. Scope
2. Definition
3. Principle
4. Hortvet apparatus
5. Calibration of the Hortvet apparatus
6. Sampling, preservation and preparation of the
     sample
7. Test method
8. Calculation of the FPD of the milk
9. Test report
10. Precision of the test method
Appendices
A. Method for calculating means of duplicate values
B. Method for the calculation of 'true' FPD
Tables
1. Thermometric glasses approved by the National
     Physical Laboratory (1974)
2. Details of the Hortvet thermometer
3. Composition of standard solutions for calibrating
     the Hortvet apparatus
4. Example of the calculation of the correction to be
     added to an uncorrected FPD of a standard solution
5. Example of the calculation of the FPD of a milk
     sample using a calibration graph
6. Example of the calibration of the FPD of a milk
     sample using a single standard solution
7. Calculation of 'true' FPD
Figures
1. Schematic diagram of a mechanical cooling system
     for the Hortvet cryoscope
2. Detail of the Hortvet apparatus (freezing-point
     tube and fittings
3. Example of a Hortvet calibration graph

Apparatus, its calibration and use and the calculation of results.

This Section of BS 3095 describes a method for the determination of the freezing-point depression of milk based upon the original method and apparatus of Hortvet.

The method is applicable to whole milk, partly skimmed or skimmed milk, either raw, pasteurised, sterilized or UHT, whether or not homogenised, provided that the titratable acidity of the milk is also determined.

NOTE The titles of the publications referred to in this standard are listed on the inside hack cover.

Committee	AW/5
DevelopmentNote	Supersedes 86/53328 DC and BS 3095-1(1980) (07/2005) Reviewed and confirmed by BSI, November 2011. (10/2011)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 3095-1:1980

BS 3095-2:1988	Methods for determination of the freezing-point depression of milk Recommendations for the interpretation of the freezing-point depression of herd milk
BS 3095-1.1:1988	Methods for determination of the freezing-point depression of milk. Methods Thermistor cryoscope method
BS 7771:1994	Code of practice for pasteurization of milk on farms and in small dairies
BS 1741-1:1987	Methods for chemical analysis of liquid milk and cream General introduction including preparation of samples

BS 1741:1963	Methods for the chemical analysis of liquid milk and cream
BS 3095-1.1:1988	Methods for determination of the freezing-point depression of milk. Methods Thermistor cryoscope method
BS 3095-3:1981	Methods for determination of the freezing-point depression of milk Storage of samples
BS 1957:1953	Presentation of numerical values (fineness of expression; rounding of numbers)

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BS 3095-1.2:1988

Current

Table of Contents

Abstract

Scope

General Product Information

Standards Referenced By This Book

Standards Referencing This Book

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