| 摘要 |
PROBLEM TO BE SOLVED: To directly measure parent molecule ions without having to decompose diphenylarsinic acid (DPAA). SOLUTION: The parent molecular ions are measured by using a liquid phase lithium ion adhesion method, without having to decompose diphenylarsinic acid (DPAA). By this method, only the parent molecular ions can be measured, without destroying molecules and chemical species can be discriminated. Furthermore, since complicated pretreatment, such as derivatization or the like is unnecessary in these operations, simplification and acceleration of operation and reduction of contamination can be expected. COPYRIGHT: (C)2007,JPO&INPIT
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