Method
Make sure gloves are on
Make sure gloves are on
- Measure 40 ml of distilled water into a 250ml beaker and add 0.8g of sodium hydroxide and stir till dissolved.
- Add 0.005g of luminol, 25.0g of potasium carbonate and 1.0g of pyrogallol and stir still dissolved.
- Add 10ml of 40% formaldehyde
- Pour solution into a 1-litre beaker and put the beaker into a 2-litre beaker/tray.
- Add 30ml of 30% hydrogen peroxide