...end-point in measuring boronic acid using pH-V potentiometric double-point titration;pH-V双点电位滴定法确定硼酸滴定终点 This paper has studied the esterification of isopropanon and salicylic acid in the presence of boronic acid.
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PH-V-Hz 电源规格 ; 电源 ; 辅电热 ; 供应电力
V-PH-Hz 电源规格 ; 电压 ; 额定电压 ; 电源
PH-V-H 电源规格
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