United Nuclear - Laboratory Glassware

Supplying the science hobbyist, industry, government, schools & universities since 1998.
"We specialize in small orders"
Lab Glassware & Plasticware

Laboratory Glassware Set

- New for 2009 -
Laboratory Glassware Set
Our new Glassware set includes just about everything you need to get your chemistry lab started.
All components are brand new and prime laboratory quality.
Everything you see in the image is included. All glassware is fabricated from high quality Borosilicate heat resistant glass ( Pyrex type ). The perfect kit for setting up a lab, or
general science/research use.

Please note that on occasion some glassware items may be substituted for similar components depending on current availability.

Set Includes:
One 10 ml Graduated Cylinder
One 100 ml Graduated Cylinder
One 600 ml Beaker
Two 250 ml Beakers
One 50 ml Beaker
One 500 ml Erlenmeyer Flask
Two 250 ml Erlenmeyer Flasks
One 50 ml Erlenmeyer Flask
One 1 ml Glass Mohr's Pipette
Twelve Test Tubes
Twelve Glass Eye Droppers
Twelve Glass Stirring Rods
One 50 mm Glass Funnel
One Alcohol Lamp

Laboratory Glassware Set: $69.00

This is an excellent assortment of some of the most commonly used Poly Labware items. Kit consists of 20 items shipped in a convenient storage box. Personally, we use Poly Labware for almost all our work. The only time we resort to glassware is when heating is required. The Poly Labware containers pour better, and are certainly less expensive... not to mention unbreakable. They are ideal for field work where glassware is too fragile to be used or transported.

Set Includes:
One 100 ml Beaker
One 250 ml Beaker
Three Plastic Test Tubes
One 10 ml Graduated Cylinder
One 100 ml Graduated Cylinder
Four Reagent Bottles
One Drop Dispenser Bottle
One 65mm Poly Funnels
Six Pipettes
One Poly Wash Bottle

Polypropylene Labware Set: $20.00

This is a set of 5 top-quality laboratory Polypropylene Beakers.
For general use ( where heating is not required ), we always prefer using Poly Beakers. Their sharper lip allows a more accurate pour, and low cost coupled with their unbreakable nature makes them perfect for most applications. Includes one each of the following sizes: 50 ml, 100 ml, 250 ml, 500 ml, and 1000 ml.

5 piece Polypropylene Beaker Set: $12.00

One piece molded, graduated liquid transfer pipettes. Made from LDPE (Low Density Polyethylene). They are chemically inert, resistant to just about everything and non-toxic. Controlled, reproducible drop size makes them perfect for all laboratory use, blood banking, hematology and microbiology.
Pack of 6 Pipettes

Transfer Pipettes (pack of 6): $1.75

Test Tubes, in the most common size: 15mm x 150mm. Like all our glassware, they are fabricated
from top quality heat resistant Borosilicate (Pyrex-type) glass. Perfect for all laboratory uses. They use size #00 rubber stoppers.

Test Tubes (box of 12): $6.00

This is the most popular size porcelain mortar and pestle.
Fabricated from "tough as nails" high quality porcelain, this set can take quite a bit of abuse. It is 100mm (4"), glazed outside and rough inside for efficient grinding and features a footed bottom for stability and pouring lip. The pestle is oversized for hand comfort and is unglazed on the bottom. Rims and outside of mortars are glazed with non-lead based glaze. Aside from general laboratory purposes, this is great for grinding powders, herbs or medicines.

4" Mortar & Pestle set: $15.00

12" lengths of 5mm (outside diameter) flint glass tubing.
This is the proper size tubing for fitting the holes in rubber stoppers.
Easily bent to the desired angle or cut to the desired length.
The proper way to cut and bend glass tubing can be found by Clicking Here.
This tubing is also ideal for those who like to make glass sculptures.
Easily melt & form into any shape desired with a propane torch.

5mm Glass Tubing (pack of 6): $3.00

Here's a great deal on a set of 5 of the most popular Erlenmeyer Flask sizes.
Includes 1 each of the following sizes: 50 ml, 150 ml, 250 ml, 500 ml, 1000 ml.
Printed with double graduations. Accurate to within 5% of rated capacity.
All made from high quality heat resistant Borosilicate glass. Uniform thickness with a heavy beaded rim.
( Rubber stopper stoppers not included )

For those of you with a need for specialized small
glassware, we've assembled a micro set for you.
The set contains one each of the following:
10 ml Beaker
25 ml Erlenmeyer Flask
25 ml Florence Flask
10 ml Graduated Cylinder
Perfect for dealing with small amounts of material.
Just like our full-sized glassware, this set is composed of laboratory quality, heat resistant Borosil glassware.
We've included solid (size #1) rubber stoppers for
the Erlenmeyer and Florence flasks.

Micro Glassware Set: $10.00

Capacity	Price
50 ml	$2.50
100 ml	$3.50
250 ml	$4.00
600 ml	$5.00
1000 ml	$8.00
3000 ml	$24.00

Laboratory Beakers, made from uniform thickness, high quality, heat resistant Borosilicate glass.
Double graduations with a reinforced rim. Accurate to within 5% of rated capacity.

Erlenmeyer Flasks

Capacity	Price	Stopper
50 ml	$2.50	# 2
150 ml	$3.50	# 5
250 ml	$4.00 Temporarily Sold Out	# 6
500 ml	$5.00	# 8
1000 ml	$10.00	# 9
3000 ml	$26.00	# 10

Erlenmeyer Flasks, made from high quality heat resistant Borosilicate glass.
Uniform thickness with a heavy beaded rim.
Accurate to within 5% of rated capacity.
Rubber stopper sizes are indicated for each flask ( stoppers are not included ).

Round Bottom Flasks

Capacity	Price	Stopper
50 ml	$2.75	# 4
150 ml	$3.75	# 5
250 ml	$4.50	# 3
500 ml	$5.50	# 6
1000 ml	$10.00	# 8

Round Bottom Flasks (Boiling Flasks), made from high quality heat resistant Borosilicate glass.
Uniform thickness with a heavy beaded rim.
Accurate to within 5% of rated capacity.
Rubber stopper sizes are indicated for each flask ( stoppers not included ).

Capacity	Price	Stopper
50 ml	$2.75	# 4
150 ml	$3.75	# 4
250 ml	$4.50	# 5
500 ml	$5.75	# 6
1000 ml	$10.00	# 8

Florence Flasks, made from high quality heat resistant Borosilicate glass.
Uniform thickness with a heavy beaded rim. Basically the same as the round flasks above,
but the small flat bottom area allows the flask to stand upright without any support.
Accurate to within 5% of rated capacity.
Rubber stopper sizes are indicated for each flask ( stoppers not included ).

The piece of glassware that was just about always shown in drawings of ancient Alchemists laboratories, Retorts are still a quick & easy way to distill liquids. The liquid to be distilled is placed in the vessel and heated. The neck acts as a condenser, allowing the evaporated vapors to condense and flow along the neck to a collection vessel placed underneath. Not quite as efficient as using water cooling and a standard laboratory condenser, but a lot more convenient.
Retorts are available in 500 ml and 1L , both have ground glass stoppers making them suitable for use with highly corrosive materials or liquids that would attack rubber stoppers.
Like all our glassware, they're made from high quality heat resistant Borosilicate glass.

500 ml Retort: $38.00

1000 ml Retort: $49.00

Our Vacuum Filtering Flask is basically a 500 ml Erlenmeyer Flask with a vacuum port on one side.
The port accepts hose with a 3/8" inside diameter.
Normally used for vacuum filtration (see our Vacuum Filtration kit below), but can also be used for a wide variety of other specialized applications. Made from high quality heat resistant Borosilicate glass.
The Vacuum Filtering Flask has a much heavier wall and rim than a standard Erlenmeyer flask making it extremely strong & durable. Uses a #7 Rubber Stopper.
Note: We also offer a Vacuum Filtering Flask complete with a vacuum pump, funnel & hose.
See our Laboratory Equipment page.

500 ml Vacuum Filtering Flask: $15.00

Graduated measuring cylinders made from heavy Borosilicate glass. Sturdy, strong plastic base with bumper guard to prevent breakage in the event they are knocked over. 3 sizes available: 10 ml capacity with white enamel graduations every 0.2 ml,
50 ml capacity with graduations every 1 ml, or 100 ml capacity also with graduations every 1 ml.

Here's a great deal on a condenser.
Condensers find wide usage in the laboratory for distillation, reflux operations, extraction, etc.
Highly efficient, and perfect for distilling water, making or concentrating acids, extracting oils or perfumes from plants, etc. Sealed inner tube, large capacity water jacket provides efficient cooling.
Far more resistant to breakage than fragile coil-type condensers.
Top quality heat resistant Borosilicate (Pyrex type) glass construction.
Large end fits a standard #4 rubber stopper, and the upper & lower cooling water inlets fit standard 1/4" ID plastic or latex tubing. Overall length is 18" (460mm), cooling section is 12" (300mm), and the jacket diameter is 1-1/8" (30mm). Sells for well over $100 in most laboratory supply catalogs.
Large end uses a size # 4 Rubber Stopper, or size # 10 Cork Stopper.

Close-ups of Condenser ends.

Liebig Condenser: $40.00

One of the most elegant pieces of laboratory equipment, the Hoffman Apparatus, used to produce Hydrogen & Oxygen gas from water... or other gases from other liquids. This is a top quality piece of laboratory equipment, not 'student grade' or similar designations. Our Hoffman Apparatus comes complete with two sets of electrodes, one Carbon and the other Platinum. The Platinum set of electrodes are used for the electrolysis of water and the Carbon electrodes are used for the electrolysis of Ammonia or Hydrochloric Acid. The glass unit has two connected limbs graduated to 60 ml capacity, integral with reservoir tube and funnel shaped bulb, with a stopcock at the top of each limb. The lower part of the limbs accept the electrodes. The overall length of the unit (apparatus only, without the stand) is about 2 feet. To produce Hydrogen & Oxygen gas, simply fill the unit with water (with a little Citric Acid or Potassium Hydroxide added to make the water more conductive) and apply a DC voltage to the two electrodes (a 12 volt battery works fine if no DC power supplies are available). When power is applied, Hydrogen gas will begin to bubble off of one electrode and Oxygen gas the other.
Perfect for demonstrations on the production of Hydrogen. Fill balloons with Hydrogen gas or use the gasses produced for other experiments.
The unit is available alone (as shown below),
or complete with the stand and two clamps as shown to the left.

Packaged in a solid block of Styrofoam for damage-free delivery.

Hoffman Apparatus, complete (with stand & clamps): $120.00

Hoffman Apparatus only (no stand or clamps): $95.00

A simple and very affordable Electrolysis Apparatus - ideal for student use.
Clearly demonstrates how Hydrogen & Oxygen gas are produced by passing DC current through water.
Use a 12 volt DC power supply, 12 volt battery or 12 volt solar panel - in fact any source of 12 VDC will work.
Consists of a plastic container 3" diameter x 3.75" tall with mounted Carbon electrodes.
The bottom of the container has cut outs so that leads can be connected to the electrodes with ease. Supplied with two alligator clip leads ( 1 red, 1 black), 2 graduated test tubes and instruction manual.
When filled with water & powered, the unit will break down water into Hydrogen & Oxygen gases, each one collecting in its respective test tube. When full, the Hydrogen test tube can be carefully lifted out, quickly inverted and lit with a flame. This produces a small explosion (a 'pop') proving the presence of a flammable gas. For proper operation, the unit requires the addition of a small amount of Potassium Hydroxide or
Sodium Chloride to make the water more conductive and to speed Hydrogen gas production.

Student Electrolysis Apparatus: $25.00

New, larger capacity - same price!
Heavy Borosilicate glass Separatory Funnel.
Used for separating liquids of different densities, the 'Sep Funnel' allows you to drain off the heavier, denser liquid from the bottom. Precision ground glass filling stopcock and valve.
Use a 3-Finger clamp (listed below) to hold/support Sep Funnels.
500 ml capacity.

500 ml Separatory Funnel: $29.00