BS 6068-2.38(1990) : 1990

National foreword
Committees responsible
Methods
Section 1: General
1.1 Scope
1.2 Normative references
Section 2: Method A - Determination of total chromium
            by flame atomic absorption spectrometry
2.1 Principle
2.2 Reagents
2.3 Apparatus
2.4 Sampling and preparation of test portions
2.5 Procedure
2.6 Expression of results
2.7 Interferences
2.8 Test report
Section 3: Method B - Determination of total chromium
            by electrothermal atomization atomic
            absorption spectrometry
3.1 Principle
3.2 Reagents
3.3 Apparatus
3.4 Sampling and preparation of test portions
3.5 Procedure
3.6 Expression of results
3.7 Interferences
3.8 Test report

Covers a direct flame atomic absorption spectrometric method with a concentration range of 0.5 milligrams per litre to 20 milligrams per litre of chromium together with an electrothermal atomization method when the concentration range is between 5 micrograms per litre and 100 micrograms per litre of chromium.