壓汞儀產(chǎn)品及廠家
壓汞儀是使用非潤濕液硬擠入技術(shù)完成量測工作，由于汞具有高表面張力(470 dyne/mm@20℃)，無法在常溫常壓下潤濕材料孔洞，藉由已知公式 p= -(4γl/g cosθ)/d 可知壓力與孔徑之關(guān)系，并以施加汞壓力將汞硬擠入材料內(nèi)部孔，量測其汞擠入體積，而測得材料之孔徑。量測范圍為巨孔(macropore)及中孔 (mesopore)范圍。
更新時(shí)間:2025-11-02
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