Description
HCl-ethanol solution 0,75 %, for histology, ready-to-use, Density (D) ~0,9 g/cm³, Flash point (flp) 22 °C, Boiling point (bp) 78 °C, UN-Nr. 2924
After staining tissues are rinsed with HCl-ethanol solution to remove excessive stain. This decolourisation is selective for certain tissue structures retain the stain better than others (differentiation). HCl-ethanol solution is used for regressive hemalum staining, but also for detection of mycobacteria and other stains.
Solution of 0.75 % hydrochloric acid in ethanol 70 %.