Baking Soda (Sodium Bicarbonate – From Scratch / Natural Method)
A recipe from the Bmarchai Recipes collection.
Bmarchai RecipesBakingSodaFromScratchSodiumBicarbonateNaturalLeaveningAgentHomemade

Nutrition (per serving)
0Calories
0 gProtein
0 gCarbs
0 gFat
0 gSugar
0 mgSalt
Ingredients
- 200 g Washing soda (sodium carbonate)
- 100 ml Water
- enough to bubble through solution Carbon dioxide source (dry ice or CO2 generator)
Method
- Note: True from-scratch baking soda requires industrial Solvay process or natural trona mining. Home version uses washing soda + CO2.
- Dissolve washing soda (sodium carbonate) in 100 ml warm water → stir until clear.
- Bubble carbon dioxide through solution (use dry ice in a container with tube, or ferment yeast/sugar mix to produce CO2 and pipe gas in).
- Continue bubbling CO2 for 30–60 minutes → sodium bicarbonate (baking soda) will precipitate as white solid.
- Filter precipitate through fine cloth or coffee filter → rinse lightly with cold water to remove excess carbonate.
- Dry precipitate in low oven (50 °C) or air-dry completely (24–48 hours).
- Grind dried baking soda to fine powder if needed → store in airtight container.
- Test: mix small amount with vinegar — should fizz vigorously.
- Makes ≈150–180 g — homemade baking soda for baking, cleaning, or deodorizing.
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