TCMP - 2-chloro-6 (trichloromethyl) pyridine (N-Serve), coated on an inert substrate. Use 0.16 gr in a 300-mL sample inhibits nitrogenous oxygen demand in the BOD test (Use Dispenser Cap, Part No. 45901), 35 g.


關鍵字 : BOD 生化需氧量 硝化抑制劑