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Paragraph 6 PREPARATION OF THE SOLUTION TO BE ANALYSED

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Molybdenum extract solution

6.1

See Methods 25a and/or 25b and, if appropriate, 25c.

Preparation of the test solution

6.2

Dilute an aliquot portion of the extract (6.1) with 6 M hydrochloric acid solution (4.1) so as to obtain an appropriate molybdenum concentration. Let D be the dilution factor.

  • Take an aliquot portion (a) from the extract solution containing 1 to 12 mg molybdenum and place it in the separating funnel (5.2). Make up to 50 ml with the 6 M hydrochloric acid solution (4.1).