Sodium carbonate is obtained as three hydrates and as the anhydrous salt:.
| FactSnippet No. 1,057,817 |
15 Facts About Sodium carbonate
2.
Sodium carbonate decahydrate, known as washing soda, is the most common hydrate of sodium carbonate containing 10 molecules of water of crystallization.
| FactSnippet No. 1,057,818 |
3.
Sodium carbonate serves as a flux for silica, lowering the melting point of the mixture to something achievable without special materials.
| FactSnippet No. 1,057,819 |
4.
Sodium carbonate is used for removing temporary and permanent hardness of water.
| FactSnippet No. 1,057,820 |
5.
Sodium carbonate has several uses in cuisine, largely because it is a stronger base than baking soda but weaker than lye .
| FactSnippet No. 1,057,821 |
6.
Sodium carbonate finds use in food industry as a food additive as an acidity regulator, anticaking agent, raising agent, and stabilizer.
| FactSnippet No. 1,057,822 |
7.
Sodium carbonate is used as a relatively strong base in various fields.
| FactSnippet No. 1,057,823 |
8.
In dyeing with fiber-reactive dyes, sodium carbonate is used to ensure proper chemical bonding of the dye with cellulose fibers, typically before dyeing, mixed with the dye, or after dyeing .
| FactSnippet No. 1,057,824 |
9.
Sodium carbonate is used by the cotton industry to neutralize the sulfuric acid needed for acid delinting of fuzzy cottonseed.
| FactSnippet No. 1,057,825 |
10.
Sodium carbonate is used by the brick industry as a wetting agent to reduce the amount of water needed to extrude the clay.
| FactSnippet No. 1,057,826 |
11.
Sodium carbonate is used in toothpastes, where it acts as a foaming agent and an abrasive, and to temporarily increase mouth pH.
| FactSnippet No. 1,057,827 |
12.
Sodium carbonate is used in the processing and tanning of animal hides.
| FactSnippet No. 1,057,828 |
13.
Sodium carbonate is soluble in water, and can occur naturally in arid regions, especially in mineral deposits formed when seasonal lakes evaporate.
| FactSnippet No. 1,057,829 |
14.
Sodium carbonate erupts from Ol Doinyo Lengai, Tanzania's unique volcano, and it is presumed to have erupted from other volcanoes in the past, but due to these minerals' instability at the earth's surface, are likely to be eroded.
| FactSnippet No. 1,057,830 |
15.
The method is appealing to such users because sodium bicarbonate is widely sold as baking soda, and the temperatures required to convert baking soda to sodium carbonate are readily achieved in conventional kitchen ovens.
| FactSnippet No. 1,057,831 |