Norm

ISO 6685:1982 en

Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method

  • Deze norm is ingetrokken sinds 12-10-2016

31,57

Over deze norm

Status Ingetrokken
Aantal pagina's 4
Gepubliceerd op 01-07-1982
Taal Engels
All the iron(III) present in the test solution is reduced to iron(II) with ascorbic acid. At a pH between 2 and 9 1,10-phenanthroline is added. the measurement of the absorbance of the orange-red complex formed is carried out at the wavelength of maximum absorption (510 nm). The method is applicable to test solutions from which an aliquot portion can be taken containing between 10 and 500 g of Fe in a volume of not more than 60 m. Details of certain interferences and means by which they can be overcome are given in an annex.

Details

ICS-code 71.040.40
Nederlandse titel Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method
Engelse titel Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method

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