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Laboratory Protocols & SOPs Library

Ehrlich's Solution Recipe

· Published 27/07/2023 · Updated 09/06/2025

Caution: Always add acid slowly into water and do not add water into acid.

Recipe

1.Dissolve 1g of Para-dimethylamino benzaldehyde in 95ml of 95% ethanol

2.Add 20 ml of concentrated HCl to the solution from step 1

3.Mix well

Categories: Laboratory Protocols & SOPs Library

Da — when not otherwise indicated, molecular weight units are daltons. Mw — weight-average molecular weight. Mn — number-average molecular weight.

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Cite this article

Aladdin Scientific. "Ehrlich's Solution Recipe" Aladdin Knowledge Base, updated 09/06/2025. https://www.aladdinsci.com/eu_pt/faqs/ehrlichs-solution-recipe-en.html

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