This filter paper can be used in biology and chemistry labs to separate fine substances from the air or liquids. It allows for quantitative analysis of the precipitates.
• Sold in a box of 100
• 70 mm (2.75″) Dia.

Item 4741-13

In Stock

This economical drying rack is ideal for drying test tubes and other laboratory glassware.

Item 2035-23

In Stock

This pipet filler, or pipet pump, can be used with glass or plastic pipets and employs a rotating thumb wheel to draw-up and despense precise amounts of liquid. The filler also features a rapid-release button for quick emptying. The small size is color-coded blue for easy recognition on the lab bench.
• 2 ml

Item 1085-66

In Stock

This pipet filler, or pipet pump, can be used with glass or plastic pipets and employs a rotating thumb wheel to draw-up and despense precise amounts of liquid. The filler also features a rapid-release button for quick emptying. The medium size is color-coded green for easy recognition on the lab bench.
• 10 ml

Item 1085-77

In Stock

This pipet filler, or pipet pump, can be used with glass or plastic pipets and employs a rotating thumb wheel to draw-up and despense precise amounts of liquid. The filler also features a rapid-release button for quick emptying. The large size is color-coded red for easy recognition on the lab bench.
• 25 ml

Item 1085-88

In Stock

Wireless Digital Microscope 200X

Item 1315-50

In Stock

This heavy cast iron base has three-point support for stability. It is drilled and threaded to accommodate a plated steel rod (included). For use as the support structure for numerous glassware apparatuses and set-ups for chemistry and biology laboratories.
• Distance from center of base to end of tripod foot: approx. 150 mm (6″)
• Rod Diminsions: 13mm (0.5″) Dia. x 610 mm (24″) L
• Base is finished with chemical-resistant enamel paint

Item 2054-02

In Stock

These masses are useful for weighing and measuring masses in general science and physics laboratory work. They are ideal tools for studying Newton’s Laws of Motion, general mechanics, machines, and kinetic energy.
Set includes:
• Plastic storage block
• (1) 10 g plated brass mass
• (1) 50 g plated brass mass
• (2) 20 g plated brass masses
• (2) 200 g plated brass masses
• (1) 500 g cast iron with enamel finish mass
• (1) 1000 g cast iron with enamel finish mass
Also available: all-brass (set of 9 weights)
• Spare weights can be bought separately ranging in size: 10 g, 20 g, 50 g, 100 g, 200 g, 500 g, 1000 g with hook, and 500 g with hook and eyelet

Item 3406-00

In Stock

These color-coded stacking masses help children see mass or weight relationships at a glance. Each weight is a different color and thickness, so they are easy to understand and manipulate for small hands. They are perfect for use with a wide variety of balances, including Item #5100-00.
Set of 54 plastic weights includes:
• Twenty (20) blue 1 g weights
• Twenty (20) red 5 g weights
• Ten (10) yellow 10 g weights
• Four (4) green 20 g weights
• Plastic storage box

Item 5155-00

In Stock

This Measuring Cylinder is a single piece, molded out of translucent plastic, with raised numerical graduations and a pouring spout. It is resistant to most common acids, bases, and solvents. The cylinder has a broad hexagonal base for stability.
• Set of 7 includes one of each (cylinders graduated up the following numbers): 10 ml, 25 ml, 50 ml, 100 ml, 250 ml, 500 ml, 1000 ml
• Does not have meniscus
• Autoclavable to 130°C

Item 2203-10

In Stock

This set of 8 polypropylene beakers is great for classroom use. It is a space saver as the beakers can be nested inside one another for storage. The beakers have pouring spouts and are made from sturdy, translucent plastic, which is resistant to most bases, acids and other solvents.
• Meniscus-free
• Autoclavable up to 100°C.
• Includes 1 beaker in each of the following sizes: 30 ml, 50 ml, 100 ml, 150 ml, 250 ml, 400 ml, 600 ml, and 1000 ml

Item 2206-00

In Stock

These polished brass masses are slotted and supplied on a metal rack with a 50 g brass hanger. They are compact and designed for easy storage. The set is useful for weighing and measuring masses in general science and physics laboratory work and is an ideal tool for studying Newton’s Laws of Motion, general mechanics, machines, and kinetic energy.
• Includes total of 8 weights: one each of 10 g, 50 g, 100 g, 500 g, and two each of 20 g, 200 g
• Hanger (50 g)also sold separately (Item #3410-50)

Item 3410-08

In Stock

This set of masses can be used with Items #3410-08 and #3410-50. The masses are made of brass and have standard slots for hanging on hooks. This set is useful for smaller and more precise measurements and can be used in general science and physics laboratory work. It an ideal tool for studying Newton’s Laws of Motion, general mechanics, machines, and kinetic energy.
• Brass
• Calibrated according to tolerances specified by International Organization for Legal Metrology, Class M2
• Set includes 1 of each 1 g, 5 g, 10 g, 50 g, and 2 of each 2 g and 20 g masses
• Wooden storage box included

Item 3416-08

In Stock

These color-coded stacking masses help children see mass or weight relationships at a glance. Each weight is a different color and thickness, so they are easy to understand and manipulate for small hands. They are perfect for use with a wide variety of balances, including Item #5100-00.
Set of 8 plastic weights includes:
• Five (5) green 5 g weights
• Two (2) yellow 10 g weights
• One (1) red 20 g weight

Item 5158-00

In Stock

This cork borer is used to cut holes in a cork or rubber stopper to insert glass tubing. They are made of plated sharpened brass tubing, with attached handles. The set also includes a steel punch.
The set includes 11 cork borers to make the following hole sizes:

1 – Hole Dia.: 5 mm (0.19″)
2 – Hole Dia.: 6 mm (0.25″)
3 – Hole Dia.: 8 mm (0.31″)
4 – Hole Dia.: 9 mm (0.34″)
5 – Hole Dia.: 10 mm (0.39″)
6 – Hole Dia.: 11 mm (0.44″)
7 – Hole Dia.: 13 mm (0.5″)
8 – Hole Dia.: 15 mm (0.61″)
9 – Hole Dia.: 16 mm (0.63″)
10 – Hole Dia.: 17 mm (0.69″)
11 – Hole Dia.: 19 mm (0.75″)

Item 2093-04

In Stock