I saw a cool effect on the microwave show today, the nuked a cold pack containing ammonium nitrate and water. At the end of the experiment they saw strange effects in the drying crystals. I just had to try this for myself and what do you know, I got results!
Have a look at about 2:20 in this clip: http://www.youtube.com/watch?v=3T_D6VGbuEc
this is because its so hygroscopic. When the water boils it releases some water and then it pulls back to AN.
tuipale 1 year ago