凝集 ぎょうしゅう ざいじゃなかったです
gyō shu uzaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 凝集剤

1. Wasn't a coagulant.; Wasn't a flocculant.

Past/Perfective
Negative
Polite
Casual Register
Chemistry