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本法用氢氟酸溶样后,加入硼酸络合氟,制备含氟硼酸的钾、钠待测液,用火焰光度法测定钾、钠的含量。比一般用HF-H_2SO_4溶样的方法简便,适用于普通硅酸盐矿石和玻璃中钾、钠含量的快速测定。
After the sample is dissolved in hydrofluoric acid, boric acid complex fluoride is added to prepare potassium and sodium borohydride containing solution for determination of potassium and sodium by flame photometry. Than the general method of HF-H_2SO_4 sample is simple and convenient for ordinary silicate ore and glass of potassium, sodium content of the rapid determination.