The needle of a gas-tight syringe was forced through the septum of the vial, and a measured volume of the headspace gas was collected. The gas was then injected into a Photovac GC for analysis. The column of the GC was held at a constant temperature (50° C) for the duration of the...
Don't waste your time. Garbage pay and garbage company. Delivery Driver(离职员工)-Tampa, FL-2025年1月23日 You'll struggle to find deliveries, and when you do the pay is never worth it, and 90% of people don't tip. If they tip virtually, you may never see that money. This is a...