tso kua hlau mercury tawm
Cov mercury poob electrode yog cov tshwj xeeb hluav taws xob feem ntau siv hauv polarography. Nws yog cov hluav taws xob hluav taws xob uas qhov mercury ntws los ntawm qhov qis hauv qab ntawm lub iav loj capillary nrog sab nraud ntawm 3-7 hli thiab sab hauv taub ntawm 0.04-0.08mm, thiab cov ntawv ua kua hlau mercury. (Txhua qhov tawm ntawm cov mercury mus txuas ntxiv los ntawm qhov me mus rau qhov loj, thaum nws mus txog ntawm txoj kab uas hla li 0.5-1.0 hli Thaum nws ua kua vim muaj qhov sib tsoo).