In food processing, sodium bicarbonate is the most widely used leavening agent. It is used in the production of biscuits, bread, etc. However, excessive use can result in residual sodium bicarbonate, leading to an overly alkaline taste, inferior flavor, and a yellow-brown color. It is used as a carbon dioxide generator in carbonated beverages. It can be combined with alum as an alkaline leavening powder, or with soda ash as household soda. It can also be used as a preservative for butter. In vegetable processing, it can be used as a color protector. Adding about 0.1% to 0.2% of sodium bicarbonate when washing fruits and vegetables can stabilize their green color. When used as a treatment for fruits and vegetables, sodium bicarbonate increases the pH value, improves the water-holding capacity of proteins, softens the texture of food tissues, and dissolves astringent compounds. Additionally, it has a deodorizing effect on goat's milk, with a usage rate of 0.001% to 0.002%.
1,physical property
White crystal powder,non-toxic,salty in taste,soluble in water and aqueous solution,insoluble in ethanol, alkalescence,deliquescent in the air,easily labile at high temperature,release carbon dioxide.
2,Chemical property
(1)NaHCO3+HCL=NaCL+H2O+CO2
(2)NaHCO3+H2O<-->NaOH+H2CO3
(3)Easily labile at high temperature:sodium bicarbonate is easily resolved into sodiym carbonate and carbon dioxide.
3,Primarily use in food fermentation,pharmacy,tanning,mineral separalion,smelt,extinguishant,feed additive,Spirulina breeding,daily chemical,rubber,dyestuff,oil,environmental production and so on.
4,Main technical parameter
| Item |
The National Standard(GB1886.2-2015) |
| The Total Alkalinity Content(NaHCO3),W/% |
99.0~100.5 |
| Loss On Drying,W/%≤ |
0.20 |
| PH Value(10g/l) Solution≤ |
8.5 |
| AS Content(mg/Kg)≤ |
1.0 |
| Heavy Metal Content(Pb)(mg/Kg)≤ |
5.0 |
| Ammonium Salt |
-- |
| Clearness |
-- |
| White degree≥ |
85.0 |
| CL,w/%≤ |
0.40 |
| Item |
The National Standard(GB7300.801-2019) |
| The Total Alkalinity Content(NaHCO3)%≥ |
99.0 |
| Loss On Drying%≤ |
0.20 |
| PH Value(10g/l) Solution≤ |
≤8.6 |
| AS Content(mg/Kg)≤ |
1.0 |
| HeavyMetalContent(Pb)(mg/Kg)≤ |
5.0 |
| Cd(mg/Kg)≤ |
2.0 |
| Ammonium Salt |
-- |
1.Food processing (in food processing, it is one of the most widely used loose agent, used in the production of biscuits, bread, etc., is the occurrence of carbon dioxide in soda drinks; It can be combined with alum to form basic baking powder, and can also be combined with soda to form civil stone alkali. Also used as a butter preservative.)
2.Fire extinguishers (for acid and alkali extinguishers and foam extinguishers)
3.Rubber industry (used for rubber and sponge production);
4.Metallurgical industry (used as a flux for casting ingots)
5.Machinery industry (used as casting steel (sand) mold forming AIDS)
6.Printing and dyeing industry (used as fixing agent for dyeing and printing, acid-base buffer agent, rear treatment agent for dyeing and finishing of fabric, adding baking soda in dyeing can prevent the yarn cylinder from producing color flowers)
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