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Wide Range pH Test Papers (1 vial)
Wide Range pH Test Papers (1 vial)
46809

1-14 Paper strips, change for each full pH unit,100 strips per vial.
1-14 Paper strips, change for each full pH unit,100 strips per vial.

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$1.56 Each $1.95 Each
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Dropping Pipets - Dozen
Dropping Pipets - Dozen
15098

3" glass pipet with rubber bulb, straight.

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$2.12 Dozen $2.65 Dozen
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Black Rubberized Apron
Black Rubberized Apron
14566

Acid resisting sheeting, very flexible and lightweight. Accepted as a standard lab apron for years. Cut to provide ample comfort and protection from laboratory reagents. Reinforced at points of strain. Cotton tapes at waist and neck. 27" x 36".
Acid resisting sheeting, very flexible and lightweight. Accepted as a standard lab apron for years. Cut to provide ample comfort and protection from laboratory reagents. Reinforced at points of strain. Cotton tapes at waist and neck. 27" x 36".

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$5.56 Each $6.95 Each
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Barnes Dropping Bottle
Barnes Dropping Bottle
47767

Flint Glass. Standard 30ml (1 oz) square bottle with dropper and rubber bulb forming tight stopper.

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$1.24 Each $1.55 Each
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Burette Clamp - Standard w/ Plastisol Coated Jaws
Burette Clamp - Standard w/ Plastisol Coated Jaws
15100

Same as above with plastisol coated jaw.
Same as above with plastisol coated jaw.

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$10 Each $12.50 Each
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All-Purpose Plastic Apron - Child (24" x 30")
All-Purpose Plastic Apron - Child (24" x 30")
14567

For efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.
This 24 inch x 30 inch child size apron is for efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.

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$3.96 Each $4.95 Each
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Pound of Assorted Stoppers
Pound of Assorted Stoppers
16172

These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Each stopper has its size marked in raised figures. Sold as one-pound bags.

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$6.36 Set $7.95 Set
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Stainless Steel Spatula - 4" (Flat on both ends)
Stainless Steel Spatula - 4" (Flat on both ends)
14645

Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.

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$0.68 Each $0.85 Each
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Draining Tray
Draining Tray
16616

This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.
This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.

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$18.80 Each $23.50 Each
10g to 500gSave 20%
Hooked WeightsHooked Weights
Hooked Weights
14965

Features flat countersunk bottom, with a double-ended hooked rod through the middle. Can be used on balance pans, as well as hooked in tandem for lever arm studies. Made of polished brass.

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From $0.79 $0.99 Each
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Ohaus School Balance
Ohaus School Balance
14312

It is the ideal teaching tool to introduce elementary and middle school students to the science of meteorology and has a pivoting beam that provides accuracy to 0.5 gram divisions. The interchangeable red square pans are easily removable for pouring, cleaning, and storage. With a capacity of 2000 grams, mass measurements can be achieved for small items such as paper clips, marbles and coins as well as heavier objects such as books. Pan dimensions: 5.5" (14cm)W x 5.5" (14cm)H
It is the ideal teaching tool to introduce elementary and middle school students to the science of meteorology and has a pivoting beam that provides accuracy to 0.5 gram divisions. The interchangeable red square pans are easily removable for pouring, cleaning, and storage. With a capacity of 2000 grams, mass measurements can be achieved for small items such as paper clips, marbles and coins as well as heavier objects such as books. Pan dimensions: 5.5" (14cm)W x 5.5" (14cm)H

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$56.80 Each $71.00 Each
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Multi-Clamp
Multi-Clamp
47708

Aluminum die cast clamp for holding 2 pieces of apparatus in 3 positions: right angles, parallel or vertical. Holds rods to 1/2" in diameter.
Aluminum die cast clamp for holding 2 pieces of apparatus in 3 positions: right angles, parallel or vertical. Holds rods to 1/2" in diameter.

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$5.20 Each $6.50 Each
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Hand Magnifier - 2"
Hand Magnifier - 2"
11947

Good quality, one-piece plastic frame. Glass lens.
50mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.

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$2.36 Each $2.95 Each
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Economy Thermometers (Pack of 10)
Economy Thermometers (Pack of 10)
13354

Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.

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$11.96 Pack $14.95 Pack
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Evaporating Dish - 120ml (90mm Outside Diameter)
Evaporating Dish - 120ml (90mm Outside Diameter)
11897

Porcelain. Glazed inside and outside except bottom outside surface.
Porcelain. Glazed inside and outside except bottom outside surface.

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$1.56 Each $1.95 Each
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Classroom Liquid Measurement Set (Set of 19)Classroom Liquid Measurement Set (Set of 19)
Classroom Liquid Measurement Set (Set of 19)
15706

• Deluxe set includes everything needed to teach liquid measurement and equivalencies
• Students will recognize, measure and estimate liquid volumes
• Set includes 5 Measuring Jars, 3 Liquid Measurers, 5 Measuring Cups, and 6 Measuring Spoons
• All pieces are clearly marked and made of durable plastic
• Ages 5+


This deluxe set is the perfect sized classroom set for learning measurement equivalents. Students practice customary capacities, liquid measurement and metric conversions with suggested activities included. Made of durable plastic, each piece is clearly marked to provide years of use. Includes teacher's guide. Set includes a liquid measuring cup (8oz/250ml), pint (16oz/500ml), quart (32oz/1000ml), standard spoons, 1 teaspoon,1 tablespoon, standard cups, measuring jars with gill, pint, quart, half-gallon, gallon (metric 100ml-3000ml)

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$26.36 Set $32.95 Set
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Deluxe Lab Tools Kit
Deluxe Lab Tools Kit
16076

Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.
Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.

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$11.80 Each $14.75 Each
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Beaker, Jar, Cylinder Brush
Beaker, Jar, Cylinder Brush
11910

Black bristle. Wooden handle. Tufted end. 3 1/4" brush diameter. 13" overall length.
Black bristle. Wooden handle. Tufted end. 3 1/4" brush diameter. 13" overall length.

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$2.80 Each $3.50 Each
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Extension Support Ring - 4"
Extension Support Ring - 4"
14620

Zinc plated steel extension rings. Rod diameter is 5/16" overall length is 12".
Zinc plated steel extension rings. Rod diameter is 5/16" overall length is 12".

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$2.88 Each $3.60 Each
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All-Purpose Plastic Apron - Adult (27" x 36")
All-Purpose Plastic Apron - Adult (27" x 36")
46906

This 27 inch x 36 inch adult size apron is for efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.

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$3.16 Each $3.95 Each
2 SizesSave 20%
Rubber Tubing (per foot)
Rubber Tubing (per foot)
16848

Pure latex gum tubing. A clear amber color. Flexible, with long life under constant use. 3/32" wall thickness.

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From $1.34 $1.68 Foot
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58-Piece Metric Weight Set
58-Piece Metric Weight Set
16540

Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13
Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13

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$23.96 Set $29.95 Set
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Pocket Microscope
Pocket Microscope
11041

This is the perfect "carry-with-you" magnifier-microscope. Just 5 1/4" x 1 3/4" x 3/4" with a built-in light source and optics to let you see objects 30 times their actual size. Uses two "AA" batteries (not incl.) and features a center focus wheel for precise one-hand operation. Ideal for inspecting gems, photos, stamps, coins, and learning about plants and insects.
This is the perfect "carry-with-you" magnifier-microscope. Just 5 1/4" x 1 3/4" x 3/4" with a built-in light source and optics to let you see objects 30 times their actual size. Uses two "AA" batteries (not incl.) and features a center focus wheel for precise one-hand operation. Ideal for inspecting gems, photos, stamps, coins, and learning about plants and insects.

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$9.80 Each $12.25 Each
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4" Support Ring - Cast Iron
4" Support Ring - Cast Iron
47821

For rods up to 1/2" diameter.
4 inch cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2 inches. For rods up to 1/2 inch in diameter.

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$7.16 Each $8.95 Each