亚洲中文久久精品无码WW16,亚洲国产精品久久久久爰色欲,人人妻人人澡人人爽欧美一区九九,亚洲码欧美码一区二区三区

HACH COD藥劑20-1500mg/l 150pk p/n.2125915（21259-15）

COD Digestion Vials, High Range, 20 to 1,500 mg/L COD, pk/150

High range, chemical oxygen demand determinations:

• COD Digestion Vials, High Range
• Chemical Oxygen Demand （COD）: US EPA approved for wastewater analysis using Hach Method 8000
• Method: Reactor Digestion
• Range: 20 -1500 mg/L COD
• 150/test

HACH COD藥劑20-1500mg/l 150pk p/n.2125915（21259-15）

產地：美國

庫存狀態(tài)：現貨