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. 2011 Jan 15;879(2):146–152. doi: 10.1016/j.jchromb.2010.11.032

Table 3.

Stability of ciprofloxacin at various storage temperatures (2–8 °C, −15 °C to −25 °C and −70 °C to −90 °C).

Storage duration (days) Ciprofloxacin concentration (μg/mL) Storage stability (%)
2–8 °C −15 °C to −25 °C −70 °C to −90 °C
0 1.0 100.0 100.0 100.0
7 1.0 98.3 83.7 99.1
30 1.0 92.6 95.4 103.3
0 3.0 100.0 100.0 100.0
7 3.0 73.2 76.6 80.0
30 3.0 77.6 84.9 84.3