BS ISO 19660:2018
$142.49
Cream. Determination of fat content. Acido-butyrometric method
Published By | Publication Date | Number of Pages |
BSI | 2018 | 24 |
This document specifies an acidobutyrometric method for determining the fat content of cream. The reference method remains the gravimetric method (by ammoniacal ether extraction) described in ISO 2450 | IDF 16.
This method is applicable to cream having a fat content between 20 % and 50 % inclusive:
-
intended for manufacturing butter;
-
sweet, unmatured and non-inoculated;
-
raw or having undergone a heat treatment;
-
non-homogenized;
-
with or without preservatives (2-bromo-2-nitropropane, 1,3 diol or bronopol).
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | National foreword |
6 | Foreword |
9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents |
10 | 5.2 Amyl alcohol. 5.2.1 Composition 5.2.2 Physical appearance 5.2.3 Density 5.2.4 Furfural and other organic impurities 5.2.5 Distillation range 6 Apparatus |
11 | 7 Sampling 8 Procedure 8.1 Preparation of the test sample |
12 | 8.2 Preparation of the test portion 8.3 Dissolution of the proteins 8.4 Centrifuging 8.5 Reading |
13 | 9 Expression of results 9.1 Method of calculation 9.2 Precision 9.2.1 General 9.2.2 Repeatability 9.2.3 Reproducibility 10 Test report |
14 | Annex A (normative) Characteristics of butyrometers |
18 | Annex B (normative) Characteristics of weighing system |
19 | Annex C (normative) Characteristics of stoppers |
21 | Annex D (informative) Collaborative trial |
22 | Bibliography |