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Certificate of Analysis

Sodium carbonate, anhydrous, 99.997%

Code: S 4038

(For eg. B 1615-0108)

Sodium carbonate, Na2CO3 is the water-soluble sodium salt of carbonic acid.

S 4038 (OTTO) Sodium carbonate, anhydrous, 99.997% Cas 497-19-8 - used as a laboratory reagent. Sodium carbonate is used in some aquarium water pH buffers to maintain a desired pH and carbonate hardness.