시료를 채수 후 잔류 오존 및 잔류 과산화수소를 제거하기 위해 Na2S2O3, 0.5% ca-talase 투입하여 활성을 정지시킨 뒤 분석하였다.
After collecting the sample, Na2S2O3, 0.5% ca-talase was added to eliminate residual ozone and residual hydrogen peroxide to end the experience, and then analyzed.