반응이 시작되면, 용액은 푸른색의 sol 상태로 되며, 반응이 종료되면, 탈수되어 옅은 청색의 gel 상태로 변화 하였다.
When the reaction started, the solution became a blue sol state, and when the reaction was completed, it was dehydrated and changed to a pale blue gel state.