반응형 HACH염소1 하크 HACH 21055-69 유리 잔류염소 DPD 시약 HACH® DPD Free Chlorine Reagent, 10 mL Sample, Powder Pillows, Range: up to 2.00 mg/L, 100/PK, 2105569 Features: For free chlorine determination by the DPD Free Chlorine method USEPA accepted for reporting for drinking water analysis using Hach Method 8021 Range: 0.02 - 2.00 mg/L Cl2 Sample Size: 10 mL Boric Acid free! Appearance: colorless powder https://smartstore.naver.com/taeotech/products/3.. 2024. 1. 9. 이전 1 다음 반응형