Select the mortar and pestle that has the right characteristics and price for your application. Mortar and pestle sets come in a variety of different materials of construction. Consideration should be given as to whether what is being used currently is indeed the "right" choice given the lower limits of detection possible with modern analytical instrumentation.
The nonionic surfactant Triton-X 100 has many applications in a wide range of different disciplines. Used as a wetting agent in the microscopy and histology laboratory and in the electronics industry. In the life sciences, it is often times used as an aid for dissolution of protease in water
The world's largest selection of TEM grids for transmission electron microscopy is found on the SPI Supplies website including copper, nickel, gold, and other materials of construction.