“Fire label“ from the “Nitrogen“ set
Channel: MEL Chemistry
Date: 2018-04-18

Perform this amazing experiment at home with MEL Science: https://melscience.com/en/experiments/fire-label-astm963/

Safety
* Put on protective gloves and eyewear.
* Conduct the experiment on the plastic tray.
* Keep a bowl of water nearby during the experiment.
* Take protective gloves off before igniting the paper.

Disposal
Dispose of the experiment residues along with regular household trash.

Step-by-step instructions
1. Moisten a cotton swab with 3–4 drops of 5M sodium nitrate NaNO3 solution. With the moistened tip, draw a line starting from the edge of the sheet.
2. Remove protective gloves. Place a candle onto the solid fuel stove and light it. Cover the burner with the flame diffuser and a piece of foil on top.
3. Put the paper onto the foil and wait for about 2 min. to let the drawing dry.
4. Extinguish the candle.
5. Ignite a splint and let it burn for 10 seconds.
6. Extinguish the splint.
7. Bring the smoldering splint to an edge of the sheet to ignite the paper. Then put the sheet onto the burner. The paper will burn along the line you drew.