These Bomex volumetric flasks are fitted with a ground stopper and are accurately calibrated for reliable measuring of liquids and solutions. The neck has a single ring graduation mark. Noted on the flask is the flask's capacity. The glass is clear.
This is pH Test Paper Neutral Litmus, 100 strips per vial. Used to test for acid or alkili.
These aprons are built for durability and protection from everything from natural materials to chemicals. The rubber cloth apron is impermeable and easy to clean.
These Tubular Spring Scales are calibrated in both Grams and Newtons with transparent bodies and each size is color coded for identification.
These superior quality unmounted Double Convex Lenses with ground edges are useful for teaching a variety of optical principles.
