Cia iav khoom tsim nyob rau hauv hom 1, chav kawm A, 33 ncua borosilicate iav los yog 51A amber iav. Lub peev xwm ntau yog 40mL. Muab qhov pH tas li rau lub sijhawm khaws cia. Chemically inert cap haum rau feem ntau chromatography thiab cia daim ntaub ntawv. Sab saum toj zoo PTFE\ / silicone septum siv rau kev huv.