Alternatively , sodium sulfate is or was formed in the production of lithium carbonate , chelating agents , resorcinol , ascorbic acid , silica pigments , nitric acid , and phenol .
ADV , NOUN NOUN AUX CCONJ AUX VERB ADP DET NOUN ADP NOUN NOUN , VERB NOUN , NOUN , NOUN NOUN , NOUN NOUN , ADJ NOUN , CCONJ NOUN .