Съдържанието на ампулите се размразява бързо чрез енергично разклащане във вода с температура 25- 30ºС.
• Wear protective gloves and spectacles during the ampoule thawing and opening operations. • Remove from the liquid nitrogen container only those ampoules which are to be used immediately. • Thaw rapidly the contents of the ampoules by agitation in water at 25-30°C.