The molecular absorption spectrometric method (A) is applicable to products having silicon contents from 0,05 to 0,5 % (m/m), the gravimetric method (B) is applicable to products having silicon contents from 0,5 to 15 % (m/m). ISO 5997 should be read in conjunction with ISO 4297. Specifies among other things principle, reagents, apparatus, procedure, spectrometric measurement (method A only) and expression of results.
Edition: 1 (Monolingual) ICS: 73.060.30 Status: Published Stage: 95.20 (2014-12-10) TC/SC: ISO/TMBG Number of Pages: 5
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