BS ISO 20938:2008
Current
The latest, up-to-date edition.
Instant coffee. Determination of moisture content. Karl Fischer method (Reference method)
Hardcopy , PDF
English
31-07-2009
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Sampling
8 Preparative steps
9 Procedure with instant coffee
10 Expression of results
11 Precision
12 Test report
Annex A (informative) - Results of interlaboratory test
Annex B (informative) - Titration curve diagram
Bibliography
Describes a method for the determination of moisture content in instant coffee by the Karl Fischer titration method, suitable for use as a reference method.
Committee |
W/-
|
DevelopmentNote |
Supersedes 07/30164446 DC. (07/2009)
|
DocumentType |
Standard
|
Pages |
18
|
PublisherName |
British Standards Institution
|
Status |
Current
|
Supersedes |
This International Standard specifies a method for the determination of moisture content in instant coffee by the Karl Fischer titration method, suitable for use as a reference method.
Standards | Relationship |
ISO 20938:2008 | Identical |
ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
ISO 4788:2005 | Laboratory glassware — Graduated measuring cylinders |
ISO 5725-6:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values |
ISO Guide 30:2015 | Reference materials — Selected terms and definitions |
ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.