Hach Method 10267. Range: 30 to 300 mg/L C. 25 tests/package Reduce Errors with Bar-coded Vials and RFID No Reagent Blank Necessary Innovative Vial and Reagent Delivery Helpful package design 高量程總有機碳預製檢測試劑 TOC, TNTplus, HR (30-300 mg/L) - 實驗室、戶外現場、線上水質自動分析監控系統與試劑 | Hach台灣 精於水質 準於分析