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AS 2300.5.2-1991
$47.81
Methods of chemical and physical testing for the dairying industry, Method 5.2: Condensed milk – Determination of sucrose – Polarimetric method
This Standard sets out a polarimetric method for determining the sucrose content of sweetened condensed milk of normal composition which has been prepared from whole, partially skimmed or skimmed milk and sucrose only, and which contains no altered sucrose.
Table of contents
Header
About this publication
PREFACE
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
4 PRINCIPLE
5 REAGENTS
5.1 General
5.2 Sucrose
5.3 Ammonia solution, 2.0 ±0.2 mol/L (3.5% m/m) NH3
5.4 Acetic acid solution, 2.0 ±0.2 mol/L (12% m/m) CH3COOH
5.5 Zinc acetate solution, 1.0 mol/L Zn(CH3COO)2.2H2O
5.6 Potassium hexacyanoferrate (II) solution, 0.25 mol/L K4Fe(CN)6.3H20
5.7 Hydrochloric acid, 6.35 ±0.2 mol/L (20% to 22%) HCl
6 APPARATUS
6.1 Class A volumetric glassware
6.2
6.3
6.4
7 TEST SAMPLES
8 PROCEDURE
8.1 Check test
8.2 Preparation of filtrate
8.3 Direct polarization
8.4 Inversion
8.5 Invert polarization
9 DETERMINATION OF FAT CONTENT
10 DETERMINATION OF PROTEIN CONTENT
11 CALCULATIONS
11.1 Calculation of sucrose content
11.2 Inversion division factor Q
12 REPEATABILITY
13 TEST REPORT
Cited references in this standard
Content history
[Current]
[Superseded]
AS 2300.5.2-1991 Rec:2016
DR 89034
Please select a variation to view its description.
| Published | 13/05/1991 |
|---|---|
| Pages | 5 |
Please select a variation to view its pdf.
