빠른 지원
인증된 전문가에게 직접 연결
인증된 전문가에게 직접 연결
Package: bottles
Quantity: 100
Method: Adaptation of the Standard Methods for Examination of Water and Wastewater (18th edition), azide modified Winkler method. The reaction between dissolved oxygen and the reagent causes a yellow tint in the sample
