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以桲檬酸钠为总离子缓冲剂,消除干扰离子,维持一定的离子强度和 pH 值。插入氟电极可测定10~(-1)～10~(-6)M 氟。一、主要试剂与仪器:Orion-901型离子计(美)氟标准溶液:用烘干过的优级纯氟化
To sodium citrate as the total ion buffer to eliminate interfering ions, to maintain a certain ionic strength and pH. Insert fluoride electrode can be measured 10 ~ (-1) ~ 10 ~ (-6) M fluorine. First, the main reagents and equipment: Orion-901-type ion meter (US) Fluorine standard solution: with the dried grade of pure fluoride