The two main chromatographic techniques used in modern analytical chemistry are Gas. Chromatography (GC) and High Performance Liquid Chromatography (HPLC). HPLC uses a liquid mobile phase to transport the analytes (sample) through the column, which is packed with a stationary phase material. In contrast, Gas Chromatography uses a gaseous mobile phase to transport sample. components through either packed columns or hollow capillary columns.
Best Retail and Gas Credit Card: Walmart Credit Card. Walmartâs credit cards are some of the easiest credit cards to qualify for with bad credit. The store has two types of cards, the Walmart MasterCard and the Walmart Credit Card. Both cards offer up to 3% discounts on Walmart purchases, $0 fraud liability, no annual fee, and free monthly access to your FICO score.
There are two types of credit cards that are offered to people with bad credit. The first type are the secured cards, which require the payment of a refundable security deposit before an account can be opened. These cards work much like unsecured cards, except for the initial refundable security deposit.