I.S. EN 932-2:1999
Current
The latest, up-to-date edition.
TESTS FOR GENERAL PROPERTIES OF AGGREGATES - METHODS FOR REDUCING LABORATORY SAMPLES
Hardcopy , PDF
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Foreword
1 Scope
2 Normative references
3 Definitions and symbols
4 Principle
5 Apparatus
6 Consideration before sample reduction
7 Sample reduction technique using a rotary sample
divider
8 Sample reduction using a riffle box
9 Sample reduction using fractional shovelling
10 Sample reduction by quartering
11 Sample reduction to a test portion of a specified
mass within a small tolerance
12 Sample reduction with crushing to reduce the particle
size
13 Procedures for obtaining duplicate test portions
Annex A (informative) Half, three-quarters and five-eigths
divisions by a riffle box
Annex B (informative) Worked examples
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