Step | Start temp | End temp | Time |
1 | −140° C | −85° C | 1.0 hr |
2 | −85° C | −85° C | variable: 24–60 hrs |
3 | −85° C | −20° C | 13.0 hrs |
4 | −20° C | −20° C | 6.0 hrs |
Step | Start temp | End temp | Time |
1 | −140° C | −85° C | 1.0 hr |
2 | −85° C | −85° C | variable: 24–60 hrs |
3 | −85° C | −20° C | 13.0 hrs |
4 | −20° C | −20° C | 6.0 hrs |