Understand in Detail the Use of Nitrogen Generators You might have seen that in the lab facilities there will be the use of Nitrogen gas generators. They have become much better as compared to the tanks that were available initially. With the on-site generators, you will see that things have become quite simple. There will be the proper separation of oxygen and the other gases. In some of the applications, the mixture will not be entertained and thus there will be a need to determine the quality factor.