塩安 しおやすソーダ ほうであれば
shio yasu sōdahōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 塩安ソーダ法

1. If/when the Solvay process is used for salt and soda…; If the salt and soda Solvay process were applied…

Ba Conditional