BS EN ISO 9233-1:2018
$142.49
Cheese, cheese rind and processed cheese. Determination of natamycin content – Molecular absorption spectrometric method for cheese rind
Published By | Publication Date | Number of Pages |
BSI | 2018 | 24 |
This document specifies a method for the determination in cheese rind of natamycin mass fraction of above 0,5 mg/kg and surface-area-related natamycin mass of above 0,03 mg/dm2.
NOTE It is possible that the method is suitable for detecting migration of natamycin into the cheese.
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | National foreword |
4 | European foreword |
6 | Foreword |
9 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle |
10 | 5 Reagents 6 Apparatus |
11 | 7 Sampling 8 Preparation of test sample 8.1 Cheese rind 8.2 Cheese interior |
12 | 9 Procedure 9.1 Test portion 9.1.1 Cheese rind 9.1.2 Cheese interior 9.2 Preparation of test solution 9.2.1 Cheese rind 9.2.2 Cheese interior |
13 | 9.3 Determination 9.3.1 Determination and detection limits 9.3.2 UV absorbance of natamycin standard working solution 9.3.3 Test solution 9.3.4 Low natamycin content |
14 | 10 Calculation and expression of results 10.1 Calculation of natamycin mass fraction 10.2 Calculation of absorbance |
15 | 10.3 Calculation of surface-area-related natamycin mass 10.4 Correction of results 10.5 Expression of results 11 Precision 11.1 Interlaboratory tests 11.2 Repeatability |
16 | 11.3 Reproducibility 12 Test report |
17 | Annex A (informative) Examples |
21 | Annex B (informative) Results of interlaboratory trial |
22 | Bibliography |