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Reagente de ortofenantrolina ferroso

Ferrous orthophenanthroline reagent.

Last Update: 2014-10-18
Subject: Social Science
Usage Frequency: 1
Quality:
Reference: DGT-TM

Juntar quatro gotas de reagente de ortofenantrolina (3.5) ao conteúdo do frasco «doseamento».

Add four drops of the orthophenanthroline reagent (3.5) to the contents of the 'measurement' flask.

Last Update: 2014-10-18
Subject: Social Science
Usage Frequency: 1
Quality:
Reference: DGT-TM

Dissolver 0,695 g de sulfato ferroso, FeSO4, 7 H2O, em 100 ml de água, juntar 1,485 g de ortofenantrolina monohidratada C12H8N2, H2O.

Dissolve 0,695 g of ferrous sulphate, FeSO4 · 7 H2O, in 100 ml of water, and add 1,485 g of orthophenanthroline monohydrate, C12H8N2 · H2O.

Last Update: 2014-10-18
Subject: Social Science
Usage Frequency: 1
Quality:
Reference: DGT-TM

Após mineralização do vinho com perhidrol, o ferro que se encontra no estado de Fe III é reduzido ao estado de Fe II doseado devido à coloração vermelha a que dá origem com ortofenantrolina.

After digestion in 30 % hydrogen peroxide solution, the total iron, now in the Fe(III) state, is reduced to the Fe(II) state and is determined using the coloration produced by orthophenanthroline.

Last Update: 2014-10-18
Subject: Social Science
Usage Frequency: 1
Quality:
Reference: DGT-TM

Juntar em cada balão 2 ml da solução de hidroquinona (3.1.5), 2 ml da solução de sulfito de sódio (3.1.6) e 1 ml da solução de ortofenantrolina (3.1.7).

Add 2 ml of hydroquinone solution (3.1.5), 2 ml of sulphite solution (3.1.6) and 1 ml of orthophenanthroline solution (3.1.7) to each flask.

Last Update: 2014-10-18
Subject: Social Science
Usage Frequency: 1
Quality:
Reference: DGT-TM

Solução de ortofenantrolina (C12H8N2, H2O) a 0,5 p. 100 em álcool a 96 % vol.

Orthophenanthroline solution, C12H8N2, 0,5 % in 96 % vol alcohol.

Last Update: 2014-10-18
Subject: Social Science
Usage Frequency: 1
Quality:
Reference: DGT-TM

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