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ERIOCHROME CYANINE R AR Reagent for Aluminium
Eriochrome cyanine R uses
Nuclear staining with Fe-ECR provides tinctorial features similar to regressive aluminum-hemateins as well as resistance to acidic solutions such as those of iron hemateins. Fe-ECR also stained selectively intestinal cells of the diffuse neuroendocrine system (DNES).
In the case of aluminum and its alloys, anodizing using Barker's reagent (1.8% HBF4 in distilled water) is widely applied to reveal the grain structure. ... The reagent was called “Weck's reagent” which contains 4 g of KMnO4, 1 g of NaOH and 100 mL of distilled water.
Fe-ECR could be used for both cytological and histological samples, and was suitable for use in automated tissue stainers. ECR also is less expensive than hematoxylin. Hematoxylin still may be preferred as a nuclear counterstain for some immunostaining methods for which Fe-ECR mixtures probably are too acidic.
AR—The standard Macron Fine Chemicals™ grade of analytical reagents; suitable for laboratory and general use. ... AR (ACS) Primary Standard—An analytical reagent of exceptional purity that is specially manufactured for standardizing volumetric solutions and preparing reference standards.
Aluminon, the triammonium salt of aurintricarboxylic acid, is a dye often used to detect the presence of the aluminium ion in an aqueous solution. Aluminon forms a red complex salt in combination with Al3+. In addition to its use in qualitative inorganic analysis, aluminon has applications in pigment production.