Jack Steed News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Jack Steed helped found the Museum of Aviation Foundation and volunteered at the Houston Medical Center.

Q: Which technique is most effective for the detection of NDMA, LC-MS or GC-MS? JS: You can use both. The main thing to consider is to use a triple quadrupole instead of a single quad method; this gives a higher level of specificity as the molecular weight of the analytes is low. One other thing to consider with GC-MS is the high temperatures — this can result in the breakdown of your samples and produce false positives, but at the moment the authorities are releasing methods on both LC- and GC-MS, so both are relevant. Q: What diluent would you recommend using for nitrosamine analysis and ...