Supports crucibles, evaporating dishes or funnels on a ring support when heating to high temperatures.

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Place this culture tube directly in an open flame to heat your substances! Made of high-quality borosilicate glass, this culture tube has a 10 ml capacity. 125 mm tall. 16 mm outer diameter. Receive one tube per order!

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These No. 4 lab-grade corks fit our large 16 mm x 150 mm test tubes.

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This is the iodine stain used for the Gram's bacteria staining technique.

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These disposable test tubes are made of clear polystyrene plastic.

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This is a 30 g bottle of carbon lumps, also know as charcoal. This chemical is flammable; please read warning labels carefully. Find the carbon formula, formula weight, and more below!

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Special 6 mm diameter closely wound steel spring used to study the effects of potential energy and energy conservation.

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This 30 ml (1 oz.) amber glass Boston round bottle is ideal for storing chemical solutions, most solvents, acids, and bases.

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These #5 rubber stoppers are 23-27 mm diameter.

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Use this mini magnetic compass for designating the direction of magnetic fields in magnetism studies or for making a simple galvanometer for electricity studies.

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This basic candle makes a good light and heat source for experiments.

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Packet contains about 15 seeds.

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Use this 30 ml LDPE dropping bottle to dispense indicators and stains. Bottle includes a dropper tip and overcap.

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Mosquito forceps have a serrated curved point to easily grasp and securely lock, providing excellent control.

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This is a non-certified 100 g calibration weight for use in calibrating digita l scales.

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Diffraction gratings are used separate light into its different colors.

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Use Penicillin antibiotic sensitivity disks to test the effect of a particular antibiotic on different bacteria cultures. Contains 50 disks.

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1/2 meter in length. Metric scale on one side, English scale on reverse.

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30 ml bottle of oleic acid. The most common monounsaturated omega-9 fatty acid, oleic acid is found in different animal and vegetable sources. Take a look at the table below to discover the oleic acid formula, density & more!

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Glass spherical mirrors set provide a variety of concave and convex surfaces for a wide range of optics experiments.

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For static electricity experiments.

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15 ml bottle of glucose syrup, otherwise known as dextrose or sugar. Find the glucose syrup density, formula, formula weight, and more below!

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This 250 ml volumetric flask is used to accurately prepare chemical solutions.

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This activated charcoal is made up of pure carbon in granular form. It is used in many industries for purification processes. This chemical is flammable; please read warning labels carefully. Find its density, formula & more below!

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One pound bag of fine clay powder.

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Ready-to-use saline solution that can be used as a hypertonic fluid.

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This 30 mL bottle of physiological saline is a 0.9% sodium chloride that's also known as a normal or isotonic saline. It has an osmotic pressure similar to body fluids.

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This battery holder is made of black plastic and holds four D batteries. It comes with attached lead wires for quickly connecting to other components like breadboards, motors, switches and bulb holders.

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These nitrile gloves are stronger than typical latex gloves and perfect for individuals with latex allergies.

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These nitrile gloves are stronger than typical latex gloves and perfect for individuals with latex allergies.

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Use this specimen to discover the amazing world of minerals! The most common apatite specimen colors are green to blue, but apatite can also be colorless, yellow, violet, pink, or brown.

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This Orion 17mm Plossl Eyepiece upgrades all types of telescopes. For an excellent mid-power eyepiece on a budget, this one's clear crisp images make it a fast favorite.

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These sterile tryptic soy agar prepared plates are ready to use out of the box. Grow bacteria at home or in the classroom with this set of 5 tryptic soy agar plates.

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Set of six glass lenses used to demonstrate optical properties.

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Pack of 12. This Elodea densa (also known as Anacharis) water plant is commonly used to study photosynthesis.

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