Lapis liuos 0,1%?

Lapis liqouefaciens, or lapis liquor, is a solution primarily containing silver nitrate, often used for its antiseptic and astringent properties. A 0.1% solution implies that there is 0.1 grams of silver nitrate in 100 mL of the solution.

### Uses:
- **Antiseptic:** It can be used in small amounts for treating minor wounds and infections.
- **Astringent:** It helps in constricting tissues, which can be useful in medical applications.

### Preparation:
To prepare a 0.1% (w/v) solution of silver nitrate:
1. Weigh out 0.1 g of silver nitrate.
2. Dissolve it in enough distilled water to make a final volume of 100 mL.

### Cautions:
- Silver nitrate can cause staining of skin and other materials.
- It should be used with caution and proper dilution, as concentrated solutions can be harmful.

Always follow proper safety and handling protocols when working with chemicals like silver nitrate.