Nalgene™ Quick Chill™ Unit
By Nalge
Rapidly and repeatedly chills biological samples for use in molecular biology applications such as ethanol precipitation of DNA/RNA samples. Can be used repeatedly for up to 45 minutes, eliminating the inconvenience of dry ice/alcohol baths. Durable polycarbonate and pre-filled with a non-toxic insulating solution; with handle. Holds twelve 0.2 to 1.5mL microcentrifuge tubes in a 3 x 4 array. There's no direct contact between the tubes and the insulating solution so labels and markings won't come off. Break-resistant, stackable design. Rubber feet keep the unit from sliding on the bench surface. Unit comes with 16 inserts. Dimensions (L x W x H): 151 x 108 x 125mm.
Performance with microcentrifuge tubes:
| Sample, volume | Time* to reach -20°C (IPA**) or O°C (water) |
| Water, 1.5mL | 3.2 min |
| Water, 0.5mL | 4.0 min |
| IPA, 1.5mL | 2.0 min |
| IPA, 0.5mL | 2.8 min |
*Units at room temperature
**Isopropanol