VWR, Part of Avantor - Chemicals and laboratory scientific supplies

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Erioglaucine disodium salt, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Description: Erioglaucine disodium salt has been used as a coloring dye to determine the feeding behaviour in Drosophila. It has been used as a coloring dye for determining the number of egg masses of Meloidogyne incognita.

Ferene disodium salt, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Description: 3-(2-Pyridyl)-5,6-di(2-furyl)-1,2,4-triazine-5′,5′′-disulfonic acid disodium salt, also known as Ferene, is commonly used to measure the concentration of iron ions in aqueous solutions. The reagent is sensitive to ferrous iron ions (Fe2+) and forms a purple-colored complex with these ions in the presence of a reducing agent. The intensity of the purple color formed is proportional to the concentration of iron ions present in a solution and is quantified spectrophotometrically.