in theory I would say decades/eons. in practice it probably depends on how much water/ice your liquid nitrogen contains, multiple refillings of the liquid nitrogen might slowly deposit tiny ice crystals on the crystals and slowly make diffraction worse...
Mark J van Raaij Lab 20B Dpto de Estructura de Macromoleculas Centro Nacional de Biotecnologia - CSIC c/Darwin 3 E-28049 Madrid, Spain tel. (+34) 91 585 4616 http://www.cnb.csic.es/~mjvanraaij On 22 May 2013, at 14:38, Careina Edgooms wrote: > Hi > Does anybody know how long one could store a crystal in liquid nitrogen for > before it will no longer diffract well? I'm talking in the order of weeks to > months... > careina
