For example, copper is added to the precious metal silver to make a more durable alloy for use in coins, housewares and jewelry. Coin silver, which was used for making silver coins in the past, contains 90% silver and 10% copper, by mass.
Metformin ER (Fortamet) Metformin ER (Fortamet) is an expensive drug used to treat type II diabetes. It helps control blood sugar in combination with diet and exercise. This drug is slightly less popular than comparable drugs. It is available in brand and generic versions.
pipette. n. 1. (Chemistry) a calibrated glass tube drawn to a fine bore at one end, filled by sucking liquid into the bulb, and used to transfer or measure known volumes of liquid. vb. 2. (Chemistry) (tr) to transfer or measure out (a liquid) using a pipette.[C19: via French: little pipe, from pipe pipe 1 ]. (paÉªËpÉt, pÉª-).. pipette-measuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube.