Acetic
Orcein Stain Recipe
- Add 1g of Orcein to 45ml of glacial acetic acid
- Heat solution from step 1 to dissolve
- Slowly add solution from step 2 into 55ml of distilled
water
- Allow to cool and store
Cautions: ALWAYS use caution and wear personal protective
equipment when in the laboratory with concentrated acids
(or any other time)! Always add acid slowly into water
and do not add water into acid!
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