At our last synchrotron trip, the beamline staff suggested that the problem was due to moisture accumulation in the dry shipper. They recommended storing them inverted (for a few weeks, if I recall), and/or putting a supply of dry air in the dewer. Haven't tried it yet! Nat
On Thu, Jul 11, 2013 at 5:08 PM, <Rain Field> <[email protected]> wrote: > Hi All, > We found if the crystals are storaged in pucks for 3-4 days in shipping > dewar (with liquid nitrogen), they are almost frosted. > Although I can wash them with liquid nitrogen, but it's not convenient to > do that for each crystals. > I doubt it's because the humid air in North West America. > Does anyone has an idea how to avoid this? > Thank you! >
