本文报道通过亚稳离子和精确质量测定,讨论了1,1—二氯—2—乙氧基—2—芳基烯烃的质谱裂解规律。
A study on the mass spectrometric cleavage of 1, 1—dichloro—2—ethyloxy—2—AryIolefins by metastable ions and precise mass measurement is reported.
对经过液相色谱分离后的化合物进行源内碰撞诱导裂解(CID),并对化合物及其碎片离子进行精确质量测定,测定质量与理论质量之间误差不超过2。
With in-source collision induced dissociation (CID) and exact mass measurement, the differences between the calculated mass and the theoretical mass of all compounds and fragments were less than 2.
但仪器的精度偏低,使对废气测定值的准确性与精确性受到影响。因此,在产品质量上尚需要改善与提高。
But the instrument accuracy is lower, it influenced the accuracy of waste gases measuring data, therefore, the product quality need still improvement and raise.
结论该乳膏剂制备工艺简单,含量测定方法精确可靠,可用于该制剂的质量控制。
Conclusion the preparation technology is simple with accuracy and reliability, which can be used for the quality control of the ointment.
结论该乳膏剂制备工艺简单,含量测定方法精确可靠,可用于该制剂的质量控制。
Conclusion the preparation technology is simple with accuracy and reliability, which can be used for the quality control of the ointment.
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