3.3.2.3. Saturated ammonium sulphate

1. Add 80 g of ammonium sulphate to 100 ml warm distilled water.

2. Bring to a boil.

3. Make sure that nearly all ammonium sulphate is dissolved.

4. Let cool to room temperature and observe the formation of crystals.

5. Transfer to screw top bottle and store in refrigerator, more crystals will form at the bottom.

6. For use, draw from supernatant without disturbing the crystal bed.

 

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