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Fig. 3. Experiment to check temperature changes in delivery boxes. (A) For frozen shipping, 6 pieces of 600 g dry-ice maintained the temperature inside of delivery box between –70℃ and –20℃ for 46 hours; 46 hours is defined as time point to delivery delay. (B) 12cm×17cm ice-gel maintained the temperature inside of delivery box between 2℃ and 8℃ for 36 hours; 36 hours is defined as time point to delivery delay.
Lab Med Qual Assur 2022;44:55~60 https://doi.org/10.15263/jlmqa.2022.44.1.55
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