Naphthol Green B is the sodium salt of Naphthol Green Y (C.I. 10005). 

The organic ligands each bind to iron as bidentate ligands through the nitrogen and the anionic phenoxide groups. 

Three such ligands are bound to the iron. As such the complex is chiral

Naphthol Green B is used in histology to stain collagen. Moreover, it is used for polychrome stains with animal tissue. For industry purposes Naphthol Green B is used for staining wool, nylon, paper, anoxidized aluminium and soap.

Palladium on activated charcoal (Pd/C) is a catalyst used in hydrogenation of alkenes, alkynes, ketones, nitriles, imines, nitro groups, aromatic and heteroaromatic systems. Pd/C also catalyzes phosphination of aryl bromides and triflates with triphenylphines to yield aryl phosphines.

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1-Heptanol is an alcohol with a seven carbon chain and the structural formula of CH3(CH2)6OH. It is a clear colorless liquid that is very slightly soluble in water, but miscible with ether and ethanol.

The heptyl butanoate ester was synthesized from butanoic acid and Reaction between an organic acid and an alcohol .

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n-Propyl acetate, 98% Cas 109-60-4 - used in fragrances and as a flavor additive. It is formed by the esterification of acetic acid and 1-propanol (known as a condensation reaction), often via Fischer–Speier esterification, with sulfuric acid as a catalyst and water produced as a byproduct.

Nigrosine (Water Soluble) is an acidic stain used for negative staining. It is useful for studying the morphological shape, size and 

arrangement of bacteria cells that are too difficult to stain or are too delicate to be heat-fixed. 

Uses for this stain in microscopy include viewing: Bacteria and bacterial flagella.

Liver extract is a product that comes from animal liver, most commonly from cattle. Liver extract is used to make medicine. Liver extract is used for improving liver function, treating chronic liver diseases, preventing liver damage, and regenerating liver tissue.

o-Toluidine (CAS no. 95-53-4) is a synthetic chemical that is a light yellow liquid at ambient temper- ature. 

It is used primarily in the manufacture of dye- stuffs, although it is also used in the production of rubber, chemicals, and pesticides and as a curing agent for epoxy resin systems

o-Tolidine is a diacidic dye which is sparingly soluble in water and easily soluble in ether and alcohol. 

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Perchloric Acid, 0.1 N Solution in Glacial Acetic Acid, (USP Volumetric Solution) is an inorganic acid dissolved in an organic solvent. It's main characteristic is that it is stronger than both sulfuric and nitric acid. It is also used for its super acid properties and also as an etchant for certain metals.

The classic form of the Papanicolaou stain involves five stains in three solutions. The first staining solution contains haematoxylin which stains cell nuclei.

The purpose of this study was to assess the rate spontaneous resolution of lesions on the basis of 2 subsequent .

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Mercury(II) acetate is the chemical compound with the formula Hg(O2CCH3)2. Commonly abbreviated Hg(OAc)2, this compound is employed as a reagent to generate organomercury compounds from unsaturated organic precursors.