Russian translation: гарантированный срок хранения
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English to Russian translations [PRO] Medical - Medical (general)
English term or phrase:reliable shelf-life
Thus, a minor change in pH may result in much more degradation of the [THERAPEUTICALLY] active substances, thereby making it difficult to achieve a reliable shelf-life unless the pH is properly controlled. However, due to regulatory rules under the medicinal laws, buffering agents are not allowed in formulations with a pH outside the physiological range that are intended to nasal administration.