"tube+coolers"

Erada-Stain® is a very mild cream cleaner / stain remover that can be used on hands or lab equipment.

Water mold and fish parasite. Demonstrates sporangia and oospores. Grows on wheat seed, cucumber seed, or hemp seed in water environment. Reproduces sexually and asexually. Incubation temperature 25°C.

Cell walls made of cellulose; feeds by extending hyphae into host's tissue.

Celestron’s signature orange-tube telescope combines advanced features and excellent optics in one easy-to-use system.

These volumetric flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for snap-cap fit.

Compares thermal expansion of various liquids.

With this excellent set of glassware, your students will have everything they need to carry out basic operations in organic laboratory work.
Connecting parts have standard tapered joints (19/22) that allow students to complete setups in about half the time, and eliminate the need for corks and rubber stoppers. The quality glassware is supplied in a sturdy case that is easy to handle and convenient to store.
A booklet provides useful information on the care and use of the apparatus.

The Organic Chemistry Set includes one each of the following items:


Condenser
West type 200 mm
Distilling Column 200 mm
Flask , round bottom, single neck, 25 mL
Flask, round bottom, single neck, 50 mL
Flask, round bottom, single neck, 100 mL
Flask, round bottom, single neck, 250 mL
Flask, round bottom, single neck, 500 mL
Funnel, separatory and addition, 125 mL
Stopper, glass ,Tube, bleed, gas (steam)
Tube adapter, straight, thermometer opening
Tube, connecting, Claisen
Tube, connecting, three-way
Tube, connecting, vacuum

Keeps loose, soupy sediment samples from washing out during coring when standard core catchers can’t do the job.

The Insect Pooter is an essential entomology apparatus for hands-free collection of insects and other small organisms. It consists of two flexible tubes attached to a clear plastic chamber.

Classroom supply items for your every day needs.

Universally applicable, floating, high-voltage power supply with built-in, high voltage resistant transformer to supply the heater voltage for electron tubes. Continuously adjustable high voltage, safe to touch, with passive current limitation and analog voltage display. Unit poles can be connected to protected earth, but it is not center tapped.

Connect your burner to a fuel source easily and safely.

Demonstrate the Lorentz force and calculate the charge/mass ratio of an electron.

Freshwater. Filamentous. Unbranched, contorted filaments. Basic culture solution.

Shipped in a form that provides the best quality specimen. Most are supplied in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars.

Pay tribute to the men and women who brought us one step closer to understanding the universe around us with the FirstScope. This entry level astronomical telescope is created in honor of Galileo Galilei and many of history’s most notable astronomers and scientists, and it proudly displays their names around the optical tube. A quality Dobsonian style telescope, the FirstScope features a 76mm aperture reflector optical tube that is very easy to observe with — simply navigate the night sky by moving the tube in the direction of your desired object. Compact and lightweight, the scope can travel into the field with you easily, yet makes a decorative accent on your desk or as a classroom display when not in use.

This organism is commonly recovered from soil and water. As normal intestinal flora, it can also usually be found in sewage.

Nalgene Complete polyetherimide jar and vacuum plate chamber provides strength and good chemical resistance.

Neoprene gasket provides secure seal. Slight amber cast of jar allows complete visibility of interior.

Plate has a center hole for exhaust with tube leading to an external hose connector which accepts 1/4" ID tubing.

For use at room temperature and at full vacuum.