What are the basic components for a HPLC system?
A workable HPLC system must include a sampler, a pump, a column, a detector, and data processor (computer with software). An degasser and a column oven may also be used for better quality of analysis. Basically there are two types of of designs. One is integrated design which build all the components into one box. The other type is modular design which allows swap and change of components after installation. 2. There are so many brands of HPLC available in the market, how do I judge which one is the best for me? Although the specification and price are important, they should not be the only standard. For many chemists, the meaning of the specification may not be easy to understand. Sometimes the sales person may mislead you using their specification. Here are some other items you may consider: a) feedback from other users, b) hands-on experience or an instrument demo, c) support capability of the vendor, d) cost of maintenance, e) possibility of future upgrade. 3. What are the importan
