1 The salt is extensively used in the manufacture of sodium carbonate and glass.
2 The difference represents the volume of acid used to react with the sodium carbonate .
3 Repeat the procedure, using the second portion of sodium carbonate .
4 The fluxes in most common use are sodium carbonate and sodium or potassium acid sulphate.
5 This is fused with 4 grams of sodium carbonate .
6 In modern manufacturing processes, sodium carbonate and calcium oxide are usually added to the base silica.
7 A solution consisting of 1 dr. of sodium carbonate and 1 qt.
8 Thus the insoluble calcium carbonate can be made by bringing together solutions of calcium chloride and sodium carbonate :
9 This is converted into the sodium salt by means of sodium carbonate , and on alkali fusion yields fiavopurpurin.
10 Soda ash is crude sodium carbonate .
11 Their formula in Na2CO3, 10H2O, corresponding to 37% of dry sodium carbonate .
12 Insoluble compounds are "dissolved in nitric acid at once, or, if necessary, first fused with sodium carbonate . "
13 Fusions with sodium carbonate can be made only in platinum, since porcelain or silica crucibles are attacked by this reagent.
14 The use of pepsin for this purpose cannot serve nature's purpose, as it contains neither sodium carbonate nor sodium sulphate.
15 The product is now cooled, placed in a 4-l. beaker, and treated with solid sodium carbonate until just alkaline to litmus.
16 A normal solution of sodium carbonate contains 53.0 grams per liter, or 0.0530 gram per cc.
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