OBJECTIVE To study the stability and expiration of tetracaine hydrochloride injection.
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结论该方法简便、快速、准确、灵敏度高,适用于复方庆大霉素膜中盐酸丁卡因的含量测定。
CONCLUSION the method was simple, rapid, accurate and high sensitivity, which can be used for the content determination of tetracaine hydrochloride in compound gentamycin pellicles.