Étude du dosage du phosphore et de l'arsenic dans les aciers par colorimétrie

Jean, M.

doi:10.1016/0003-2670(56)80144-x

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Fig 6 Phosphomolybdate Complex Formation1

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1999

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Cited by 15 publications

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“…Many of these rely on reduction of the phosphomolybdate complex resulting in the formation of molybdenum blue. A number of reducing agents have been used for this purpose: a mixture of sulfite and aminonaphtholsulfonic acid (29), stannous chloride (30), ascorbic acid (12,13), and ascorbate in the presence of bismuth (31) or antimony (14). A somewhat less-sensitive procedure relies on the formation of a yellow vanadomolybdophosphoric acid, which occurs when the phosphomolybdate complex is formed in the presence of vanadate (32).…”

Section: Fig 6 Phosphomolybdate Complex Formationmentioning

confidence: 99%