Wilmad-Lab Glass 521-YLW-1000 Yellow NMR Tube Cap, 5 mm (Pack of 1000)
Wilmad-Lab Glass 521-YLW-1000 Yellow NMR Tube Cap, 5 mm (Pack of 1000)
When using Chloroform or Acetone as reference solution, please avoid (1) direct contact between the sample and the disposable cap, (2) long term storage over 2 hours
If these conditions are inevitable, please use PTFE NMR tube caps