BS 7820-1:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Analysis of tea and tea products Tea and instant tea. Determination of caffeine content
Hardcopy , PDF
21-08-2002
English
15-06-1995
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Committees responsible
National foreword
Specification
1. Scope
2. Normative references
3. Principle
4. Reagents
5. Apparatus
6. Sampling
7. Preparation of test sample
8. Procedure
9. Calculation
10. Precision
11. Test report
Annexes
A. (informative) Results of interlaboratory test
B. (informative) Bibliography
Table
A.1 Repeatability and reproducibility values
Applicable to teas with a caffeine content of greater than 0.3% (m/m).
| Committee |
AW/8
|
| DevelopmentNote |
DRAFT FOR COMMENT 91/52732 DC
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 10727:2002 | Identical |
| ISO 7513:1990 | Instant tea in solid form Determination of moisture content (loss in mass at 103 degrees C) |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| ISO 1572:1980 | Tea Preparation of ground sample of known dry matter content |
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