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Difference between baking powder without and with aluminum
The two have different ingredients and aluminum content.

1, the ingredients are different. Aluminum-free baking powder is generally made of aluminum-free disodium dihydrogen and calcium dihydrogen phosphate and other compound, aluminum baking powder is generally made of potassium aluminum sulfate or aluminum ammonium sulfate compound.

2, aluminum content is different. Aluminum-free baking powder does not contain alum, aluminum content is very low, generally in 0.02%. Aluminum baking powder aluminum content is very high, the general content of aluminum are more than 4%.