PCB No. 31, certified, 25mg Back Catalog number: C20003100 Availability: In the manufacturer's stock Price on request - + Recommended MI505-100 Reagent kit for 100 tests (Ammonia MR) Contains: 1 x 20mL NH3-1, 1 x 21mL NH3-2 Price on request 12207.18-100G Zearalenone in corn, low level,Please enquire,corn,100g, Price on request 10346.18-100MG Duloxetine hydrochloride Price on request