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4

It is an awful practice to describe the colors of precipitates with object-colors, like apple green, strawberry red, olive green, etc. I have seen these weird descriptions of hydrogen lines in its spectrum in first-year lab reports. You will not encounter this language in professional work. Avoid such usage while writing lab reports. You can undoubtedly use ...


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TLC Visualization by the color formation when used p-Anisaldehyde or vanillin in sulfuric acid as the developing agent is known in Natural Products Chemistry for long time. OP's suggestion of color development is due to inclusion of p-methoxybenzyl group (PMB) or dimethoxybenzyl group (DMB) not correct. It seems like these staining compounds make colored ...


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Whenever you see low temperature colored emission in flames, it is invariably because of the molecular species, do not attribute all flame colors due to atomic emissions right away (alkali metals are exceptions). This beautiful green color of boron flames is due to a small molecules containing boron. The green band centered at 547 nm has puzzled ...


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