-
Caustic Soda
NaOH
Increase pH (13.3)
Very soluble
-
Caustic Potash
KOH
Increase pH and K+
-
LIME
Ca(OH)2
Treat CO32-, Increase pH (12.4)
Slightly soluble, inhibits shale
-
GYPSUM
- Gypsum (CaSO4-2H2O)
- Anhydrite (CaSO4)
Increase Ca 2+
pH 6, Slightly soluble
-
SODIUM BICARBONATE
NaHCO3
Treat Cement
pH 8.4, Soluble
-
SODA ASH
Na2CO3
Treat Hardness (Ca2+, Mg2+)
pH 11=11.5, Soluble
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