BS ISO 4688-1:2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
08-31-2017
English
08-31-2006
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and samples
6.1 Laboratory sample
6.2 Preparation of predried test samples
7 Procedure
7.1 Number of determinations
7.2 Test portion
7.3 Blank test and check test
7.4 Determination
8 Expression of results
8.1 Calculation of mass fraction of aluminium
8.2 General treatment of results
8.3 Oxide factor
9 Test report
Annex A (normative) Flowsheet of the procedure for the
acceptance of analytical values for test samples
Annex B (informative) Derivation of repeatability and
permissible tolerance equations
Annex C (informative) Precision data obtained by
international analytical trials
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