Beaker Beaker tongs Common sizes: 50ml, 100ml, 250ml, 400ml. LEAST accurate in measuring Used to transfer volume. hot beakers. Buchner funnel Bunsen Burner Filters solids from liquids using a mild vacuum. Source of heat/flame using gas. Buret Crucible & cover Used to measure volumes of solution during titrations. Porcelain, used to heat small amounts of substances at high temperature. Crucible tongs Digital balance Iron/nickel, used to pick up & hold small items. Scale used to measure mass. Double buret clamp Erlenmeyer flask Holds burets in place when titrating. Used to mix liquids by swirling contents. Evaporating dish Filter paper Porcelain, used to hold small volumes of liquid to be evaporated.Used to separate solids from liquids. Filtering flask Forceps Used with a Buchner funnel and a water aspirator. Used to pick up small objects. Funnel Gloves Glass or plastic, often used with filter paper. Protect skin from harmful chemicals. Graduated cylinder Graduated pipet Used to measure approximate volumes (ml). More accurate thanMeasures a beaker. solution volumes. Less accurate than volumetric pipet. Hot plate/stirrer Mortar and pestle Mechanically mixes solutions while heating. Porcelain, used to grind crystals or lumpy chemicals into powder. Petri dish Pipe-stem triangle Used to hold materials. Holds crucible and lid in a flame. Pipetter Ring clamp Used to accurately draw up liquid into pipet. Used with wire gauze to support a beaker when heating over a flame. Ring stand Rubber stoppers Used as a support for lab equipment. Used to stopper flasks and test tubes. Rubber tubing Safety goggles Apparatus to transfer liquid or gas. Eye protection. Scoopula Stirring rod Used to transfer solid chemicals from stock. Glass or wood, used for mixing. Test tube brush Test tube holder Cleans a test tube. Holds a single test tube. Test tube rack Test tubes Holds test tubes. Mix small quantities of liquids and solids. Thermometer Volumetric pipet Measures temperature. Common range –10°C to 110°C. Most accurate in measuring volume. Wash bottle, plastic Watch glass Contains distilled water, used for rinsing. Used to cover an evaporating dish or beaker. Well plate (Spot plate) Wire gauze Surface used to react small amounts of chemicals. Used with ring clamp to support a beaker when heating over a flame.